11830874838 has 32 divisors (see below), whose sum is σ = 25730750304. Its totient is φ = 3611331072.

The previous prime is 11830874779. The next prime is 11830874851. The reversal of 11830874838 is 83847803811.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

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, 1563645 + ... + 1571192.

It is an arithmetic number, because the mean of its divisors is an integer number (804085947).

Almost surely, 2^11830874838 is an apocalyptic number.

11830874838 is an abundant number, since it is smaller than the sum of its proper divisors (13899875466).

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

11830874838 is a wasteful number, since it uses less digits than its factorization.

11830874838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134896.

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 11830874838 in words is "eleven billion, eight hundred thirty million, eight hundred seventy-four thousand, eight hundred thirty-eight".