10561871016 has 32 divisors (see below), whose sum is σ = 29338531200. Its totient is φ = 3520623600.

The previous prime is 10561871003. The next prime is 10561871039. The reversal of 10561871016 is 61017816501.

10561871016 is a `hidden beast` number, since 1 + 0 + 561 + 87 + 1 + 0 + 16 = 666.

It is a super-2 number, since 2×10561871016² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24448560 + ... + 24448991.

It is an arithmetic number, because the mean of its divisors is an integer number (916829100).

Almost surely, 2^10561871016 is an apocalyptic number.

It is an amenable number.

10561871016 is an abundant number, since it is smaller than the sum of its proper divisors (18776660184).

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

10561871016 is a wasteful number, since it uses less digits than its factorization.

10561871016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48897566 (or 48897556 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The spelling of 10561871016 in words is "ten billion, five hundred sixty-one million, eight hundred seventy-one thousand, sixteen".