100505560511 has 8 divisors (see below), whose sum is σ = 101095328880. Its totient is φ = 99917393728.

The previous prime is 100505560469. The next prime is 100505560513. The reversal of 100505560511 is 115065505001.

It is a happy number.

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 100505560511 - 2¹⁰ = 100505559487 is a prime.

It is a super-2 number, since 2×100505560511² (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 (100505560513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274406 + ... + 525651.

It is an arithmetic number, because the mean of its divisors is an integer number (12636916110).

Almost surely, 2^100505560511 is an apocalyptic number.

100505560511 is a deficient number, since it is larger than the sum of its proper divisors (589768369).

100505560511 is an equidigital number, since it uses as much as digits as its factorization.

100505560511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800793.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 100505560511 in words is "one hundred billion, five hundred five million, five hundred sixty thousand, five hundred eleven".