15172060831 has 2 divisors, whose sum is σ = 15172060832. Its totient is φ = 15172060830.

The previous prime is 15172060801. The next prime is 15172060843. The reversal of 15172060831 is 13806027151.

It is a happy number.

15172060831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15172060831 - 2¹⁹ = 15171536543 is a prime.

It is a super-2 number, since 2×15172060831² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15172060801) 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 as a sum of consecutive naturals, namely, 7586030415 + 7586030416.

It is an arithmetic number, because the mean of its divisors is an integer number (7586030416).

Almost surely, 2^15172060831 is an apocalyptic number.

15172060831 is a deficient number, since it is larger than the sum of its proper divisors (1).

15172060831 is an equidigital number, since it uses as much as digits as its factorization.

15172060831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

Adding to 15172060831 its reverse (13806027151), we get a palindrome (28978087982).

The spelling of 15172060831 in words is "fifteen billion, one hundred seventy-two million, sixty thousand, eight hundred thirty-one".