551100111006 has 32 divisors (see below), whose sum is σ = 1123171816320. Its totient is φ = 180205853984.

The previous prime is 551100110927. The next prime is 551100111007. The reversal of 551100111006 is 600111001155.

It is a happy number.

It is a super-2 number, since 2×551100111006² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551100111007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1955005 + ... + 2219063.

It is an arithmetic number, because the mean of its divisors is an integer number (35099119260).

Almost surely, 2^551100111006 is an apocalyptic number.

551100111006 is an abundant number, since it is smaller than the sum of its proper divisors (572071705314).

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

551100111006 is a wasteful number, since it uses less digits than its factorization.

551100111006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270680.

The product of its (nonzero) digits is 150, while the sum is 21.

The spelling of 551100111006 in words is "five hundred fifty-one billion, one hundred million, one hundred eleven thousand, six".