11813874952 has 64 divisors (see below), whose sum is σ = 24476126400. Its totient is φ = 5300951040.

The previous prime is 11813874949. The next prime is 11813875009. The reversal of 11813874952 is 25947831811.

It is a junction number, because it is equal to n+sod(n) for n = 11813874896 and 11813874905.

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, 9107968 + ... + 9109264.

It is an arithmetic number, because the mean of its divisors is an integer number (382439475).

Almost surely, 2^11813874952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11813874952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12238063200).

11813874952 is an abundant number, since it is smaller than the sum of its proper divisors (12662251448).

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

11813874952 is a wasteful number, since it uses less digits than its factorization.

11813874952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566 (or 2562 counting only the distinct ones).

The product of its digits is 483840, while the sum is 49.

The spelling of 11813874952 in words is "eleven billion, eight hundred thirteen million, eight hundred seventy-four thousand, nine hundred fifty-two".