15161457551 has 16 divisors (see below), whose sum is σ = 15819508224. Its totient is φ = 14518250784.

The previous prime is 15161457517. The next prime is 15161457611. The reversal of 15161457551 is 15575416151.

It is a cyclic number.

It is not a de Polignac number, because 15161457551 - 2¹⁴ = 15161441167 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15161457499 and 15161457508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15161457511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608990 + ... + 633396.

It is an arithmetic number, because the mean of its divisors is an integer number (988719264).

Almost surely, 2^15161457551 is an apocalyptic number.

15161457551 is a deficient number, since it is larger than the sum of its proper divisors (658050673).

15161457551 is a wasteful number, since it uses less digits than its factorization.

15161457551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24710.

The product of its digits is 105000, while the sum is 41.

The spelling of 15161457551 in words is "fifteen billion, one hundred sixty-one million, four hundred fifty-seven thousand, five hundred fifty-one".