11926954816 has 168 divisors, whose sum is σ = 29543166720. Its totient is φ = 4673700864.

The previous prime is 11926954783. The next prime is 11926954841. The reversal of 11926954816 is 61845962911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4688841 + ... + 4691383.

Almost surely, 2^11926954816 is an apocalyptic number.

11926954816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11926954816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14771583360).

11926954816 is an abundant number, since it is smaller than the sum of its proper divisors (17616211904).

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

11926954816 is a wasteful number, since it uses less digits than its factorization.

11926954816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629 (or 2600 counting only the distinct ones).

The product of its digits is 933120, while the sum is 52.

The spelling of 11926954816 in words is "eleven billion, nine hundred twenty-six million, nine hundred fifty-four thousand, eight hundred sixteen".