100554251545 has 16 divisors (see below), whose sum is σ = 131922730368. Its totient is φ = 72970323840.

The previous prime is 100554251527. The next prime is 100554251557. The reversal of 100554251545 is 545152455001.

It is not a de Polignac number, because 100554251545 - 2¹⁵ = 100554218777 is a prime.

It is a super-2 number, since 2×100554251545² (a number of 23 digits) contains 22 as substring.

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, 1975149 + ... + 2025418.

It is an arithmetic number, because the mean of its divisors is an integer number (8245170648).

Almost surely, 2^100554251545 is an apocalyptic number.

It is an amenable number.

100554251545 is a deficient number, since it is larger than the sum of its proper divisors (31368478823).

100554251545 is a wasteful number, since it uses less digits than its factorization.

100554251545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001040.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 100554251545 in words is "one hundred billion, five hundred fifty-four million, two hundred fifty-one thousand, five hundred forty-five".