115221325510 has 64 divisors (see below), whose sum is σ = 231762124800. Its totient is φ = 40986680832.

The previous prime is 115221325477. The next prime is 115221325577. The reversal of 115221325510 is 15523122511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1190521 + ... + 1283659.

It is an arithmetic number, because the mean of its divisors is an integer number (3621283200).

Almost surely, 2^115221325510 is an apocalyptic number.

115221325510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115221325510 is an abundant number, since it is smaller than the sum of its proper divisors (116540799290).

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

115221325510 is a wasteful number, since it uses less digits than its factorization.

115221325510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93565.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 115221325510 in words is "one hundred fifteen billion, two hundred twenty-one million, three hundred twenty-five thousand, five hundred ten".