15791272485 has 64 divisors (see below), whose sum is σ = 26266318848. Its totient is φ = 8095659264.

The previous prime is 15791272447. The next prime is 15791272489. The reversal of 15791272485 is 58427219751.

It is a happy number.

It is not a de Polignac number, because 15791272485 - 2⁹ = 15791271973 is a prime.

It is a super-3 number, since 3×15791272485³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15791272489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21253024 + ... + 21253766.

It is an arithmetic number, because the mean of its divisors is an integer number (410411232).

Almost surely, 2^15791272485 is an apocalyptic number.

15791272485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15791272485 is a deficient number, since it is larger than the sum of its proper divisors (10475046363).

15791272485 is a wasteful number, since it uses less digits than its factorization.

15791272485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274.

The product of its digits is 1411200, while the sum is 51.

The spelling of 15791272485 in words is "fifteen billion, seven hundred ninety-one million, two hundred seventy-two thousand, four hundred eighty-five".