915075750725 has 6 divisors (see below), whose sum is σ = 1134693930930. Its totient is φ = 732060600560.

The previous prime is 915075750649. The next prime is 915075750727. The reversal of 915075750725 is 527057570519.

It can be written as a sum of positive squares in 3 ways, for example, as 2150918884 + 912924831841 = 46378^2 + 955471^2 .

It is not a de Polignac number, because 915075750725 - 2²⁸ = 914807315269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (915075750727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18301514990 + ... + 18301515039.

It is an arithmetic number, because the mean of its divisors is an integer number (189115655155).

Almost surely, 2^915075750725 is an apocalyptic number.

It is an amenable number.

915075750725 is a deficient number, since it is larger than the sum of its proper divisors (219618180205).

915075750725 is a wasteful number, since it uses less digits than its factorization.

915075750725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36603030039 (or 36603030034 counting only the distinct ones).

The product of its (nonzero) digits is 3858750, while the sum is 53.

The spelling of 915075750725 in words is "nine hundred fifteen billion, seventy-five million, seven hundred fifty thousand, seven hundred twenty-five".