113781560618 has 32 divisors (see below), whose sum is σ = 191380978368. Its totient is φ = 50278752000.

The previous prime is 113781560617. The next prime is 113781560663. The reversal of 113781560618 is 816065187311.

It is not an unprimeable number, because it can be changed into a prime (113781560611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919421 + ... + 1035807.

It is an arithmetic number, because the mean of its divisors is an integer number (5980655574).

Almost surely, 2^113781560618 is an apocalyptic number.

113781560618 is a deficient number, since it is larger than the sum of its proper divisors (77599417750).

113781560618 is a wasteful number, since it uses less digits than its factorization.

113781560618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117638.

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 113781560618 in words is "one hundred thirteen billion, seven hundred eighty-one million, five hundred sixty thousand, six hundred eighteen".