100505065501 has 8 divisors (see below), whose sum is σ = 104259657600. Its totient is φ = 96812532960.

The previous prime is 100505065481. The next prime is 100505065517. The reversal of 100505065501 is 105560505001.

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 100505065501 - 2⁵ = 100505065469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100505065501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100505065561) 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, 15511591 + ... + 15518068.

It is an arithmetic number, because the mean of its divisors is an integer number (13032457200).

Almost surely, 2^100505065501 is an apocalyptic number.

It is an amenable number.

100505065501 is a deficient number, since it is larger than the sum of its proper divisors (3754592099).

100505065501 is an equidigital number, since it uses as much as digits as its factorization.

100505065501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31029779.

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

The spelling of 100505065501 in words is "one hundred billion, five hundred five million, sixty-five thousand, five hundred one".