115516420170 has 64 divisors (see below), whose sum is σ = 284904604800. Its totient is φ = 29953698048.

The previous prime is 115516420169. The next prime is 115516420171. The reversal of 115516420170 is 71024615511.

It is an interprime number because it is at equal distance from previous prime (115516420169) and next prime (115516420171).

It is not an unprimeable number, because it can be changed into a prime (115516420171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1855264 + ... + 1916516.

It is an arithmetic number, because the mean of its divisors is an integer number (4451634450).

Almost surely, 2^115516420170 is an apocalyptic number.

115516420170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115516420170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142452302400).

115516420170 is an abundant number, since it is smaller than the sum of its proper divisors (169388184630).

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

115516420170 is a wasteful number, since it uses less digits than its factorization.

115516420170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62999.

The product of its (nonzero) digits is 8400, while the sum is 33.

The spelling of 115516420170 in words is "one hundred fifteen billion, five hundred sixteen million, four hundred twenty thousand, one hundred seventy".