115457665317500 has 240 divisors, whose sum is σ = 282326236159968. Its totient is φ = 40959918400000.

The previous prime is 115457665317499. The next prime is 115457665317559. The reversal of 115457665317500 is 5713566754511.

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 79 ways as a sum of consecutive naturals, for example, 1895297042 + ... + 1895357958.

Almost surely, 2^{115457665317500} is an apocalyptic number.

115457665317500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115457665317500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141163118079984).

115457665317500 is an abundant number, since it is smaller than the sum of its proper divisors (166868570842468).

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

115457665317500 is an frugal number, since it uses more digits than its factorization.

115457665317500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61075 (or 60976 counting only the distinct ones).

The product of its (nonzero) digits is 13230000, while the sum is 56.

The spelling of 115457665317500 in words is "one hundred fifteen trillion, four hundred fifty-seven billion, six hundred sixty-five million, three hundred seventeen thousand, five hundred".