100550515450 has 48 divisors (see below), whose sum is σ = 233172736704. Its totient is φ = 31340419200.

The previous prime is 100550515447. The next prime is 100550515487. The reversal of 100550515450 is 54515055001.

It is a super-2 number, since 2×100550515450² (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 23 ways as a sum of consecutive naturals, for example, 13054659 + ... + 13062358.

It is an arithmetic number, because the mean of its divisors is an integer number (4857765348).

Almost surely, 2^100550515450 is an apocalyptic number.

100550515450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100550515450 is an abundant number, since it is smaller than the sum of its proper divisors (132622221254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100550515450 is a wasteful number, since it uses less digits than its factorization.

100550515450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26117047 (or 26117042 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 31.

The spelling of 100550515450 in words is "one hundred billion, five hundred fifty million, five hundred fifteen thousand, four hundred fifty".