117127525545 has 12 divisors (see below), whose sum is σ = 203021044356. Its totient is φ = 62468013600.

The previous prime is 117127525477. The next prime is 117127525561. The reversal of 117127525545 is 545525721711.

117127525545 is a `hidden beast` number, since 1 + 1 + 7 + 12 + 75 + 25 + 545 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57738322944 + 59389202601 = 240288^2 + 243699^2 .

It is not a de Polignac number, because 117127525545 - 2¹¹ = 117127523497 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2602833901 = 117127525545 / (1 + 1 + 7 + 1 + 2 + 7 + 5 + 2 + 5 + 5 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 117127525545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1301416906 + ... + 1301416995.

It is an arithmetic number, because the mean of its divisors is an integer number (16918420363).

Almost surely, 2^117127525545 is an apocalyptic number.

117127525545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117127525545 is a deficient number, since it is larger than the sum of its proper divisors (85893518811).

117127525545 is a wasteful number, since it uses less digits than its factorization.

117127525545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602833912 (or 2602833909 counting only the distinct ones).

The product of its digits is 490000, while the sum is 45.

The spelling of 117127525545 in words is "one hundred seventeen billion, one hundred twenty-seven million, five hundred twenty-five thousand, five hundred forty-five".