48856861521 has 24 divisors (see below), whose sum is σ = 78451166976. Its totient is φ = 29095895520.

The previous prime is 48856861507. The next prime is 48856861523. The reversal of 48856861521 is 12516865884.

48856861521 is a `hidden beast` number, since 4 + 8 + 8 + 56 + 8 + 61 + 521 = 666.

It is not a de Polignac number, because 48856861521 - 2⁶ = 48856861457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48856861523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6731535 + ... + 6738788.

It is an arithmetic number, because the mean of its divisors is an integer number (3268798624).

Almost surely, 2^48856861521 is an apocalyptic number.

It is an amenable number.

48856861521 is a deficient number, since it is larger than the sum of its proper divisors (29594305455).

48856861521 is a wasteful number, since it uses less digits than its factorization.

48856861521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13470373 (or 13470370 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 54.

The spelling of 48856861521 in words is "forty-eight billion, eight hundred fifty-six million, eight hundred sixty-one thousand, five hundred twenty-one".