100605000551 has 32 divisors (see below), whose sum is σ = 116603020800. Its totient is φ = 85842132480.

The previous prime is 100605000547. The next prime is 100605000571. The reversal of 100605000551 is 155000506001.

It is a cyclic number.

It is not a de Polignac number, because 100605000551 - 2² = 100605000547 is a prime.

It is a super-2 number, since 2×100605000551² (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 (100605000571) 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, 10920035 + ... + 10929243.

It is an arithmetic number, because the mean of its divisors is an integer number (3643844400).

Almost surely, 2^100605000551 is an apocalyptic number.

100605000551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100605000551 is a deficient number, since it is larger than the sum of its proper divisors (15998020249).

100605000551 is a wasteful number, since it uses less digits than its factorization.

100605000551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9719.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 100605000551 its reverse (155000506001), we get a palindrome (255605506552).

The spelling of 100605000551 in words is "one hundred billion, six hundred five million, five hundred fifty-one", and thus it is an aban number.