10857187125 has 48 divisors (see below), whose sum is σ = 19671640560. Its totient is φ = 5760988800.

The previous prime is 10857187063. The next prime is 10857187147. The reversal of 10857187125 is 52178175801.

10857187125 is a `hidden beast` number, since 1 + 0 + 8 + 571 + 8 + 71 + 2 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 4157928324 + 6699258801 = 64482^2 + 81849^2 .

It is not a de Polignac number, because 10857187125 - 2²³ = 10848798517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 197131 + ... + 246119.

It is an arithmetic number, because the mean of its divisors is an integer number (409825845).

Almost surely, 2^10857187125 is an apocalyptic number.

10857187125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10857187125 is a deficient number, since it is larger than the sum of its proper divisors (8814453435).

10857187125 is a wasteful number, since it uses less digits than its factorization.

10857187125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49207 (or 49194 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 45.

The spelling of 10857187125 in words is "ten billion, eight hundred fifty-seven million, one hundred eighty-seven thousand, one hundred twenty-five".