15853477056 has 112 divisors (see below), whose sum is σ = 42400849920. Its totient is φ = 5227407360.

The previous prime is 15853477043. The next prime is 15853477103. The reversal of 15853477056 is 65077435851.

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, 10703836 + ... + 10705316.

Almost surely, 2^15853477056 is an apocalyptic number.

15853477056 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 15853477056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21200424960).

15853477056 is an abundant number, since it is smaller than the sum of its proper divisors (26547372864).

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

15853477056 is a wasteful number, since it uses less digits than its factorization.

15853477056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062 (or 2052 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 51.

The spelling of 15853477056 in words is "fifteen billion, eight hundred fifty-three million, four hundred seventy-seven thousand, fifty-six".