115465320100 has 72 divisors (see below), whose sum is σ = 274257260648. Its totient is φ = 41934412800.

The previous prime is 115465320097. The next prime is 115465320119. The reversal of 115465320100 is 1023564511.

It can be written as a sum of positive squares in 12 ways, for example, as 101005738596 + 14459581504 = 317814^2 + 120248^2 .

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, 648729 + ... + 807328.

Almost surely, 2^115465320100 is an apocalyptic number.

115465320100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115465320100 is an abundant number, since it is smaller than the sum of its proper divisors (158791940548).

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

115465320100 is a wasteful number, since it uses less digits than its factorization.

115465320100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456145 (or 1456138 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 115465320100 its reverse (1023564511), we get a palindrome (116488884611).

The spelling of 115465320100 in words is "one hundred fifteen billion, four hundred sixty-five million, three hundred twenty thousand, one hundred".