100055560061 has 4 divisors (see below), whose sum is σ = 100264444800. Its totient is φ = 99846675324.

The previous prime is 100055560019. The next prime is 100055560093. The reversal of 100055560061 is 160065550001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100055560061 is a prime.

It is a super-2 number, since 2×100055560061² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100055560861) 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, 104441651 + ... + 104442608.

It is an arithmetic number, because the mean of its divisors is an integer number (25066111200).

Almost surely, 2^100055560061 is an apocalyptic number.

It is an amenable number.

100055560061 is a deficient number, since it is larger than the sum of its proper divisors (208884739).

100055560061 is an equidigital number, since it uses as much as digits as its factorization.

100055560061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208884738.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 100055560061 in words is "one hundred billion, fifty-five million, five hundred sixty thousand, sixty-one".