10685055786138 has 32 divisors (see below), whose sum is σ = 24563346638400. Its totient is φ = 3438868528368.

The previous prime is 10685055786103. The next prime is 10685055786161. The reversal of 10685055786138 is 83168755058601.

10685055786138 is a `hidden beast` number, since 1 + 0 + 6 + 8 + 5 + 0 + 5 + 5 + 7 + 8 + 613 + 8 = 666.

It is a super-2 number, since 2×10685055786138² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3411574356 + ... + 3411577487.

It is an arithmetic number, because the mean of its divisors is an integer number (767604582450).

Almost surely, 2^{10685055786138} is an apocalyptic number.

10685055786138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10685055786138 is an abundant number, since it is smaller than the sum of its proper divisors (13878290852262).

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

10685055786138 is a wasteful number, since it uses less digits than its factorization.

10685055786138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6823151883 (or 6823151877 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 63.

The spelling of 10685055786138 in words is "ten trillion, six hundred eighty-five billion, fifty-five million, seven hundred eighty-six thousand, one hundred thirty-eight".