100056545569 has 2 divisors, whose sum is σ = 100056545570. Its totient is φ = 100056545568.

The previous prime is 100056545551. The next prime is 100056545623. The reversal of 100056545569 is 965545650001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51568505569 + 48488040000 = 227087^2 + 220200^2 .

It is a cyclic number.

It is not a de Polignac number, because 100056545569 - 2⁷ = 100056545441 is a prime.

It is a super-2 number, since 2×100056545569² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100056545969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50028272784 + 50028272785.

It is an arithmetic number, because the mean of its divisors is an integer number (50028272785).

Almost surely, 2^100056545569 is an apocalyptic number.

It is an amenable number.

100056545569 is a deficient number, since it is larger than the sum of its proper divisors (1).

100056545569 is an equidigital number, since it uses as much as digits as its factorization.

100056545569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 100056545569 in words is "one hundred billion, fifty-six million, five hundred forty-five thousand, five hundred sixty-nine".