115352391620 has 24 divisors (see below), whose sum is σ = 244008203544. Its totient is φ = 45804160256.

The previous prime is 115352391601. The next prime is 115352391653. The reversal of 115352391620 is 26193253511.

It can be written as a sum of positive squares in 4 ways, for example, as 55472704 + 115296918916 = 7448^2 + 339554^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21046967 + ... + 21052446.

It is an arithmetic number, because the mean of its divisors is an integer number (10167008481).

Almost surely, 2^115352391620 is an apocalyptic number.

115352391620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115352391620 is an abundant number, since it is smaller than the sum of its proper divisors (128655811924).

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

115352391620 is a wasteful number, since it uses less digits than its factorization.

115352391620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42099559 (or 42099557 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 115352391620 in words is "one hundred fifteen billion, three hundred fifty-two million, three hundred ninety-one thousand, six hundred twenty".