10500050556 has 72 divisors (see below), whose sum is σ = 26972434944. Its totient is φ = 3443438880.

The previous prime is 10500050543. The next prime is 10500050563. The reversal of 10500050556 is 65505000501.

10500050556 is a `hidden beast` number, since 10 + 50 + 0 + 0 + 50 + 556 = 666.

It is a super-2 number, since 2×10500050556² (a number of 21 digits) contains 22 as substring.

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, 1281585 + ... + 1289751.

It is an arithmetic number, because the mean of its divisors is an integer number (374617152).

Almost surely, 2^10500050556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10500050556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13486217472).

10500050556 is an abundant number, since it is smaller than the sum of its proper divisors (16472384388).

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

10500050556 is a wasteful number, since it uses less digits than its factorization.

10500050556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8751 (or 8746 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 10500050556 in words is "ten billion, five hundred million, fifty thousand, five hundred fifty-six".