115516420242 has 64 divisors (see below), whose sum is σ = 242238124800. Its totient is φ = 36654418944.

The previous prime is 115516420241. The next prime is 115516420277. The reversal of 115516420242 is 242024615511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (115516420241) 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, 37885134 + ... + 37888182.

It is an arithmetic number, because the mean of its divisors is an integer number (3784970700).

Almost surely, 2^115516420242 is an apocalyptic number.

115516420242 is an abundant number, since it is smaller than the sum of its proper divisors (126721704558).

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

115516420242 is a wasteful number, since it uses less digits than its factorization.

115516420242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307.

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 115516420242 in words is "one hundred fifteen billion, five hundred sixteen million, four hundred twenty thousand, two hundred forty-two".