11896415856 has 240 divisors, whose sum is σ = 39616589376. Its totient is φ = 3295125504.

The previous prime is 11896415837. The next prime is 11896415887. The reversal of 11896415856 is 65851469811.

11896415856 is a `hidden beast` number, since 1 + 18 + 9 + 6 + 41 + 585 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 723826 + ... + 740078.

Almost surely, 2^11896415856 is an apocalyptic number.

11896415856 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 11896415856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19808294688).

11896415856 is an abundant number, since it is smaller than the sum of its proper divisors (27720173520).

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

11896415856 is a wasteful number, since it uses less digits than its factorization.

11896415856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16320 (or 16311 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 54.

The spelling of 11896415856 in words is "eleven billion, eight hundred ninety-six million, four hundred fifteen thousand, eight hundred fifty-six".