115597698240 has 448 divisors, whose sum is σ = 390880982016. Its totient is φ = 28884860928.

The previous prime is 115597698233. The next prime is 115597698247. The reversal of 115597698240 is 42896795511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (115597698233) and next prime (115597698247).

It is not an unprimeable number, because it can be changed into a prime (115597698247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 266969064 + ... + 266969496.

It is an arithmetic number, because the mean of its divisors is an integer number (872502192).

Almost surely, 2^115597698240 is an apocalyptic number.

115597698240 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 115597698240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195440491008).

115597698240 is an abundant number, since it is smaller than the sum of its proper divisors (275283283776).

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

115597698240 is a wasteful number, since it uses less digits than its factorization.

115597698240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 57.

The spelling of 115597698240 in words is "one hundred fifteen billion, five hundred ninety-seven million, six hundred ninety-eight thousand, two hundred forty".