100565000551 has 8 divisors (see below), whose sum is σ = 101653287120. Its totient is φ = 99477765888.

The previous prime is 100565000537. The next prime is 100565000581. The reversal of 100565000551 is 155000565001.

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

It is a cyclic number.

It is not a de Polignac number, because 100565000551 - 2¹⁹ = 100564476263 is a prime.

It is a super-2 number, since 2×100565000551² (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 (100565000581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69976 + ... + 453901.

It is an arithmetic number, because the mean of its divisors is an integer number (12706660890).

Almost surely, 2^100565000551 is an apocalyptic number.

100565000551 is a deficient number, since it is larger than the sum of its proper divisors (1088286569).

100565000551 is an equidigital number, since it uses as much as digits as its factorization.

100565000551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525953.

The product of its (nonzero) digits is 3750, while the sum is 28.

Adding to 100565000551 its reverse (155000565001), we get a palindrome (255565565552).

The spelling of 100565000551 in words is "one hundred billion, five hundred sixty-five million, five hundred fifty-one", and thus it is an aban number.