15172060013 has 4 divisors (see below), whose sum is σ = 16551338208. Its totient is φ = 13792781820.

The previous prime is 15172060003. The next prime is 15172060027. The reversal of 15172060013 is 31006027151.

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 a cyclic number.

It is not a de Polignac number, because 15172060013 - 2¹⁸ = 15171797869 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 (15172060003) 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, 689639081 + ... + 689639102.

It is an arithmetic number, because the mean of its divisors is an integer number (4137834552).

Almost surely, 2^15172060013 is an apocalyptic number.

It is an amenable number.

15172060013 is a deficient number, since it is larger than the sum of its proper divisors (1379278195).

15172060013 is a wasteful number, since it uses less digits than its factorization.

15172060013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379278194.

The product of its (nonzero) digits is 1260, while the sum is 26.

Adding to 15172060013 its reverse (31006027151), we get a palindrome (46178087164).

The spelling of 15172060013 in words is "fifteen billion, one hundred seventy-two million, sixty thousand, thirteen".