15120620011 has 8 divisors (see below), whose sum is σ = 17282863584. Its totient is φ = 12958915200.

The previous prime is 15120619991. The next prime is 15120620017. The reversal of 15120620011 is 11002602151.

15120620011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 15120620011 - 2⁷ = 15120619883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15120620017) 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, 72640 + ... + 188461.

It is an arithmetic number, because the mean of its divisors is an integer number (2160357948).

Almost surely, 2^15120620011 is an apocalyptic number.

15120620011 is a deficient number, since it is larger than the sum of its proper divisors (2162243573).

15120620011 is an equidigital number, since it uses as much as digits as its factorization.

15120620011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269381.

The product of its (nonzero) digits is 120, while the sum is 19.

The spelling of 15120620011 in words is "fifteen billion, one hundred twenty million, six hundred twenty thousand, eleven".