15624201061 has 4 divisors (see below), whose sum is σ = 17856229792. Its totient is φ = 13392172332.

The previous prime is 15624201013. The next prime is 15624201107. The reversal of 15624201061 is 16010242651.

15624201061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 15624201061 - 2⁹ = 15624200549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15627201061) 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 3 ways as a sum of consecutive naturals, for example, 1116014355 + ... + 1116014368.

It is an arithmetic number, because the mean of its divisors is an integer number (4464057448).

Almost surely, 2^15624201061 is an apocalyptic number.

It is an amenable number.

15624201061 is a deficient number, since it is larger than the sum of its proper divisors (2232028731).

15624201061 is an equidigital number, since it uses as much as digits as its factorization.

15624201061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232028730.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 15624201061 in words is "fifteen billion, six hundred twenty-four million, two hundred one thousand, sixty-one".