100560556057 has 4 divisors (see below), whose sum is σ = 108295983460. Its totient is φ = 92825128656.

The previous prime is 100560556039. The next prime is 100560556133. The reversal of 100560556057 is 750655065001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60356696976 + 40203859081 = 245676^2 + 200509^2 .

It is not a de Polignac number, because 100560556057 - 2²⁷ = 100426338329 is a prime.

It is a super-3 number, since 3×100560556057³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100560556037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3867713682 + ... + 3867713707.

It is an arithmetic number, because the mean of its divisors is an integer number (27073995865).

Almost surely, 2^100560556057 is an apocalyptic number.

It is an amenable number.

100560556057 is a deficient number, since it is larger than the sum of its proper divisors (7735427403).

100560556057 is an equidigital number, since it uses as much as digits as its factorization.

100560556057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7735427402.

The product of its (nonzero) digits is 157500, while the sum is 40.

The spelling of 100560556057 in words is "one hundred billion, five hundred sixty million, five hundred fifty-six thousand, fifty-seven".