15172260479 has 2 divisors, whose sum is σ = 15172260480. Its totient is φ = 15172260478.

The previous prime is 15172260457. The next prime is 15172260511. The reversal of 15172260479 is 97406227151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15172260479 - 2¹⁶ = 15172194943 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15172260979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7586130239 + 7586130240.

It is an arithmetic number, because the mean of its divisors is an integer number (7586130240).

Almost surely, 2^15172260479 is an apocalyptic number.

15172260479 is a deficient number, since it is larger than the sum of its proper divisors (1).

15172260479 is an equidigital number, since it uses as much as digits as its factorization.

15172260479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 15172260479 in words is "fifteen billion, one hundred seventy-two million, two hundred sixty thousand, four hundred seventy-nine".