15797180551 has 16 divisors (see below), whose sum is σ = 16558587648. Its totient is φ = 15042139200.

The previous prime is 15797180549. The next prime is 15797180573. The reversal of 15797180551 is 15508179751.

It is a cyclic number.

It is not a de Polignac number, because 15797180551 - 2¹ = 15797180549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15797180495 and 15797180504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15797180501) 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 15 ways as a sum of consecutive naturals, for example, 7391155 + ... + 7393291.

It is an arithmetic number, because the mean of its divisors is an integer number (1034911728).

Almost surely, 2^15797180551 is an apocalyptic number.

15797180551 is a deficient number, since it is larger than the sum of its proper divisors (761407097).

15797180551 is a wasteful number, since it uses less digits than its factorization.

15797180551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462.

The product of its (nonzero) digits is 441000, while the sum is 49.

The spelling of 15797180551 in words is "fifteen billion, seven hundred ninety-seven million, one hundred eighty thousand, five hundred fifty-one".