15056016601 has 4 divisors (see below), whose sum is σ = 15120634932. Its totient is φ = 14991398272.

The previous prime is 15056016593. The next prime is 15056016643. The reversal of 15056016601 is 10661065051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2485122201 + 12570894400 = 49851^2 + 112120^2 .

It is a cyclic number.

It is not a de Polignac number, because 15056016601 - 2³ = 15056016593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15056016671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32308816 + ... + 32309281.

It is an arithmetic number, because the mean of its divisors is an integer number (3780158733).

Almost surely, 2^15056016601 is an apocalyptic number.

It is an amenable number.

15056016601 is a deficient number, since it is larger than the sum of its proper divisors (64618331).

15056016601 is an equidigital number, since it uses as much as digits as its factorization.

15056016601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64618330.

The product of its (nonzero) digits is 5400, while the sum is 31.

It can be divided in two parts, 1505 and 6016601, that added together give a palindrome (6018106).

The spelling of 15056016601 in words is "fifteen billion, fifty-six million, sixteen thousand, six hundred one".