100859394545 has 64 divisors (see below), whose sum is σ = 153526517760. Its totient is φ = 61905731328.

The previous prime is 100859394539. The next prime is 100859394551. The reversal of 100859394545 is 545493958001.

It is an interprime number because it is at equal distance from previous prime (100859394539) and next prime (100859394551).

It is not a de Polignac number, because 100859394545 - 2²⁶ = 100792285681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2700992 + ... + 2738078.

It is an arithmetic number, because the mean of its divisors is an integer number (2398851840).

Almost surely, 2^100859394545 is an apocalyptic number.

It is an amenable number.

100859394545 is a deficient number, since it is larger than the sum of its proper divisors (52667123215).

100859394545 is a wasteful number, since it uses less digits than its factorization.

100859394545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37294.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The spelling of 100859394545 in words is "one hundred billion, eight hundred fifty-nine million, three hundred ninety-four thousand, five hundred forty-five".