100556214544 has 20 divisors (see below), whose sum is σ = 203298434496. Its totient is φ = 48092102432.

The previous prime is 100556214533. The next prime is 100556214547. The reversal of 100556214544 is 445412655001.

It is a super-2 number, since 2×100556214544² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100556214547) 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, 136624924 + ... + 136625659.

Almost surely, 2^100556214544 is an apocalyptic number.

It is an amenable number.

100556214544 is an abundant number, since it is smaller than the sum of its proper divisors (102742219952).

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

100556214544 is a wasteful number, since it uses less digits than its factorization.

100556214544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273250614 (or 273250608 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 100556214544 its reverse (445412655001), we get a palindrome (545968869545).

The spelling of 100556214544 in words is "one hundred billion, five hundred fifty-six million, two hundred fourteen thousand, five hundred forty-four".