100551055055554 has 4 divisors (see below), whose sum is σ = 150826582583334. Its totient is φ = 50275527527776.

The previous prime is 100551055055551. The next prime is 100551055055579. The reversal of 100551055055554 is 455550550155001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 100550655975025 + 399080529 = 10027495^2 + 19977^2 .

It is a super-2 number, since 2×100551055055554² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100551055055551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25137763763887 + ... + 25137763763890.

Almost surely, 2^{100551055055554} is an apocalyptic number.

100551055055554 is a deficient number, since it is larger than the sum of its proper divisors (50275527527780).

100551055055554 is an equidigital number, since it uses as much as digits as its factorization.

100551055055554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50275527527779.

The product of its (nonzero) digits is 1562500, while the sum is 46.

The spelling of 100551055055554 in words is "one hundred trillion, five hundred fifty-one billion, fifty-five million, fifty-five thousand, five hundred fifty-four".