115720655000 has 80 divisors (see below), whose sum is σ = 277746998760. Its totient is φ = 45159200000.

The previous prime is 115720654981. The next prime is 115720655003. The reversal of 115720655000 is 556027511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115720655003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 77246 + ... + 487245.

Almost surely, 2^115720655000 is an apocalyptic number.

115720655000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115720655000 is an abundant number, since it is smaller than the sum of its proper divisors (162026343760).

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

115720655000 is an equidigital number, since it uses as much as digits as its factorization.

115720655000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564558 (or 564539 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 32.

The spelling of 115720655000 in words is "one hundred fifteen billion, seven hundred twenty million, six hundred fifty-five thousand".