100056857056 has 96 divisors (see below), whose sum is σ = 215570890080. Its totient is φ = 45439156224.

The previous prime is 100056857039. The next prime is 100056857071. The reversal of 100056857056 is 650758650001.

It is a super-2 number, since 2×100056857056² (a number of 23 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 15 ways as a sum of consecutive naturals, for example, 6526456 + ... + 6541768.

It is an arithmetic number, because the mean of its divisors is an integer number (2245530105).

Almost surely, 2^100056857056 is an apocalyptic number.

100056857056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100056857056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107785445040).

100056857056 is an abundant number, since it is smaller than the sum of its proper divisors (115514033024).

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

100056857056 is a wasteful number, since it uses less digits than its factorization.

100056857056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15588 (or 15580 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 100056857056 in words is "one hundred billion, fifty-six million, eight hundred fifty-seven thousand, fifty-six".