115707621500 has 48 divisors (see below), whose sum is σ = 252872177376. Its totient is φ = 46252512000.

The previous prime is 115707621479. The next prime is 115707621511. The reversal of 115707621500 is 5126707511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689924 + ... + 841076.

It is an arithmetic number, because the mean of its divisors is an integer number (5268170362).

Almost surely, 2^115707621500 is an apocalyptic number.

115707621500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115707621500 is an abundant number, since it is smaller than the sum of its proper divisors (137164555876).

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

115707621500 is a wasteful number, since it uses less digits than its factorization.

115707621500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152703 (or 152691 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 35.

The spelling of 115707621500 in words is "one hundred fifteen billion, seven hundred seven million, six hundred twenty-one thousand, five hundred".