12527551755 has 24 divisors (see below), whose sum is σ = 21766034160. Its totient is φ = 6665480640.

The previous prime is 12527551727. The next prime is 12527551793. The reversal of 12527551755 is 55715572521.

12527551755 is a `hidden beast` number, since 1 + 2 + 5 + 27 + 551 + 75 + 5 = 666.

12527551755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12527551755 - 2⁸ = 12527551499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12527551755.

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 23 ways as a sum of consecutive naturals, for example, 311685 + ... + 349574.

It is an arithmetic number, because the mean of its divisors is an integer number (906918090).

Almost surely, 2^12527551755 is an apocalyptic number.

12527551755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12527551755 is a deficient number, since it is larger than the sum of its proper divisors (9238482405).

12527551755 is a wasteful number, since it uses less digits than its factorization.

12527551755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661691 (or 661688 counting only the distinct ones).

The product of its digits is 612500, while the sum is 45.

The spelling of 12527551755 in words is "twelve billion, five hundred twenty-seven million, five hundred fifty-one thousand, seven hundred fifty-five".