100550507855 has 8 divisors (see below), whose sum is σ = 137897839392. Its totient is φ = 68948919648.

The previous prime is 100550507819. The next prime is 100550507857. The reversal of 100550507855 is 558705055001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100550507855 - 2⁸ = 100550507599 is a prime.

It is a super-2 number, since 2×100550507855² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100550507857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436435792 + ... + 1436435861.

It is an arithmetic number, because the mean of its divisors is an integer number (17237229924).

Almost surely, 2^100550507855 is an apocalyptic number.

100550507855 is a deficient number, since it is larger than the sum of its proper divisors (37347331537).

100550507855 is an equidigital number, since it uses as much as digits as its factorization.

100550507855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872871665.

The product of its (nonzero) digits is 175000, while the sum is 41.

The spelling of 100550507855 in words is "one hundred billion, five hundred fifty million, five hundred seven thousand, eight hundred fifty-five".