115505772625 has 8 divisors (see below), whose sum is σ = 144151204392. Its totient is φ = 92404618000.

The previous prime is 115505772623. The next prime is 115505772659. The reversal of 115505772625 is 526277505511.

It can be written as a sum of positive squares in 4 ways, for example, as 29649740481 + 85856032144 = 172191^2 + 293012^2 .

It is not a de Polignac number, because 115505772625 - 2¹ = 115505772623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115505772623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462022966 + ... + 462023215.

It is an arithmetic number, because the mean of its divisors is an integer number (18018900549).

Almost surely, 2^115505772625 is an apocalyptic number.

It is an amenable number.

115505772625 is a deficient number, since it is larger than the sum of its proper divisors (28645431767).

115505772625 is an frugal number, since it uses more digits than its factorization.

115505772625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924046196 (or 924046186 counting only the distinct ones).

The product of its (nonzero) digits is 735000, while the sum is 46.

The spelling of 115505772625 in words is "one hundred fifteen billion, five hundred five million, seven hundred seventy-two thousand, six hundred twenty-five".