112891190618 has 16 divisors (see below), whose sum is σ = 175648488576. Its totient is φ = 54377658720.

The previous prime is 112891190569. The next prime is 112891190639. The reversal of 112891190618 is 816091198211.

It is a super-2 number, since 2×112891190618² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8984738 + ... + 8997293.

It is an arithmetic number, because the mean of its divisors is an integer number (10978030536).

Almost surely, 2^112891190618 is an apocalyptic number.

112891190618 is a deficient number, since it is larger than the sum of its proper divisors (62757297958).

112891190618 is a wasteful number, since it uses less digits than its factorization.

112891190618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17982149.

The product of its (nonzero) digits is 62208, while the sum is 47.

The spelling of 112891190618 in words is "one hundred twelve billion, eight hundred ninety-one million, one hundred ninety thousand, six hundred eighteen".