115402871650 has 48 divisors (see below), whose sum is σ = 246487304160. Its totient is φ = 39756009600.

The previous prime is 115402871603. The next prime is 115402871687. The reversal of 115402871650 is 56178204511.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5511219 + ... + 5532118.

It is an arithmetic number, because the mean of its divisors is an integer number (5135152170).

Almost surely, 2^115402871650 is an apocalyptic number.

115402871650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115402871650 is an abundant number, since it is smaller than the sum of its proper divisors (131084432510).

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

115402871650 is a wasteful number, since it uses less digits than its factorization.

115402871650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11043379 (or 11043374 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 115402871650 in words is "one hundred fifteen billion, four hundred two million, eight hundred seventy-one thousand, six hundred fifty".