115250572128 has 48 divisors (see below), whose sum is σ = 302573698560. Its totient is φ = 38411657856.

The previous prime is 115250572127. The next prime is 115250572133. The reversal of 115250572128 is 821275052511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115250572127) 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, 667501 + ... + 822227.

It is an arithmetic number, because the mean of its divisors is an integer number (6303618720).

Almost surely, 2^115250572128 is an apocalyptic number.

It is an amenable number.

115250572128 is an abundant number, since it is smaller than the sum of its proper divisors (187323126432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115250572128 is a wasteful number, since it uses less digits than its factorization.

115250572128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162499 (or 162491 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 39.

It can be divided in two parts, 115250 and 572128, that added together give a triangular number (687378 = T₁₁₇₂).

The spelling of 115250572128 in words is "one hundred fifteen billion, two hundred fifty million, five hundred seventy-two thousand, one hundred twenty-eight".