8111199461618 has 32 divisors (see below), whose sum is σ = 13973361373440. Its totient is φ = 3492381681360.

The previous prime is 8111199461501. The next prime is 8111199461621. The reversal of 8111199461618 is 8161649911118.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1726505 + ... + 4382147.

It is an arithmetic number, because the mean of its divisors is an integer number (436667542920).

Almost surely, 2^{8111199461618} is an apocalyptic number.

8111199461618 is a deficient number, since it is larger than the sum of its proper divisors (5862161911822).

8111199461618 is a wasteful number, since it uses less digits than its factorization.

8111199461618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662982.

The product of its digits is 746496, while the sum is 56.

The spelling of 8111199461618 in words is "eight trillion, one hundred eleven billion, one hundred ninety-nine million, four hundred sixty-one thousand, six hundred eighteen".