10857998520 has 48 divisors (see below), whose sum is σ = 35288496360. Its totient is φ = 2895466176.

The previous prime is 10857998519. The next prime is 10857998521. The reversal of 10857998520 is 2589975801.

10857998520 is a `hidden beast` number, since 10 + 8 + 579 + 9 + 8 + 52 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (10857998519) and next prime (10857998521).

It is a super-2 number, since 2×10857998520² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10857998521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15080194 + ... + 15080913.

Almost surely, 2^10857998520 is an apocalyptic number.

10857998520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10857998520 is an abundant number, since it is smaller than the sum of its proper divisors (24430497840).

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

10857998520 is a wasteful number, since it uses less digits than its factorization.

10857998520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30161124 (or 30161117 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 54.

The spelling of 10857998520 in words is "ten billion, eight hundred fifty-seven million, nine hundred ninety-eight thousand, five hundred twenty".