4891911112 has 16 divisors (see below), whose sum is σ = 10006182000. Its totient is φ = 2223595920.

The previous prime is 4891911103. The next prime is 4891911161. The reversal of 4891911112 is 2111191984.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27794862 + ... + 27795037.

It is an arithmetic number, because the mean of its divisors is an integer number (625386375).

Almost surely, 2^4891911112 is an apocalyptic number.

It is an amenable number.

4891911112 is an abundant number, since it is smaller than the sum of its proper divisors (5114270888).

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

4891911112 is a wasteful number, since it uses less digits than its factorization.

4891911112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55589916 (or 55589912 counting only the distinct ones).

The product of its digits is 5184, while the sum is 37.

The square root of 4891911112 is about 69942.1983640777. The cubic root of 4891911112 is about 1697.5641136549.

It can be divided in two parts, 48919 and 11112, that added together give a triangular number (60031 = T₃₄₆).

The spelling of 4891911112 in words is "four billion, eight hundred ninety-one million, nine hundred eleven thousand, one hundred twelve".