100550000551 has 32 divisors (see below), whose sum is σ = 135121061376. Its totient is φ = 72261072000.

The previous prime is 100550000549. The next prime is 100550000569. The reversal of 100550000551 is 155000055001.

It is not a de Polignac number, because 100550000551 - 2¹ = 100550000549 is a prime.

It is a super-2 number, since 2×100550000551² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100550000581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1129281 + ... + 1215061.

It is an arithmetic number, because the mean of its divisors is an integer number (4222533168).

Almost surely, 2^100550000551 is an apocalyptic number.

100550000551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100550000551 is a deficient number, since it is larger than the sum of its proper divisors (34571060825).

100550000551 is a wasteful number, since it uses less digits than its factorization.

100550000551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86983.

The product of its (nonzero) digits is 625, while the sum is 22.

Multiplying 100550000551 by its sum of digits (22), we get a palindrome (2212100012122).

Adding to 100550000551 its reverse (155000055001), we get a palindrome (255550055552).

The spelling of 100550000551 in words is "one hundred billion, five hundred fifty million, five hundred fifty-one", and thus it is an aban number.