115775172245 has 32 divisors (see below), whose sum is σ = 142490880000. Its totient is φ = 90275515200.

The previous prime is 115775172241. The next prime is 115775172313. The reversal of 115775172245 is 542271577511.

It is not a de Polignac number, because 115775172245 - 2² = 115775172241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115775172245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115775172241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26680286 + ... + 26684624.

It is an arithmetic number, because the mean of its divisors is an integer number (4452840000).

Almost surely, 2^115775172245 is an apocalyptic number.

It is an amenable number.

115775172245 is a deficient number, since it is larger than the sum of its proper divisors (26715707755).

115775172245 is a wasteful number, since it uses less digits than its factorization.

115775172245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153.

The product of its digits is 686000, while the sum is 47.

The spelling of 115775172245 in words is "one hundred fifteen billion, seven hundred seventy-five million, one hundred seventy-two thousand, two hundred forty-five".