10111874838 has 32 divisors (see below), whose sum is σ = 21804921600. Its totient is φ = 3107703456.

The previous prime is 10111874827. The next prime is 10111874849. The reversal of 10111874838 is 83847811101.

It is an interprime number because it is at equal distance from previous prime (10111874827) and next prime (10111874849).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10111874838.

It is a congruent number.

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, 8458 + ... + 142461.

It is an arithmetic number, because the mean of its divisors is an integer number (681403800).

Almost surely, 2^10111874838 is an apocalyptic number.

10111874838 is an abundant number, since it is smaller than the sum of its proper divisors (11693046762).

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

10111874838 is a wasteful number, since it uses less digits than its factorization.

10111874838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151796.

The product of its (nonzero) digits is 43008, while the sum is 42.

It can be divided in two parts, 1011187 and 4838, that added together give a triangular number (1016025 = T₁₄₂₅).

The spelling of 10111874838 in words is "ten billion, one hundred eleven million, eight hundred seventy-four thousand, eight hundred thirty-eight".