5159692561 has 9 divisors (see below), whose sum is σ = 5215377531. Its totient is φ = 5104598184.

The previous prime is 5159692553. The next prime is 5159692613. The reversal of 5159692561 is 1652969515.

The square root of 5159692561 is 71831.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3596280961 + 1563411600 = 59969^2 + 39540^2 .

It is not a de Polignac number, because 5159692561 - 2³ = 5159692553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5159692501) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7829250 + ... + 7829908.

Almost surely, 2^5159692561 is an apocalyptic number.

5159692561 is the 71831-st square number.

5159692561 is the 35916-th centered octagonal number.

It is an amenable number.

5159692561 is a deficient number, since it is larger than the sum of its proper divisors (55684970).

5159692561 is an frugal number, since it uses more digits than its factorization.

5159692561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536 (or 768 counting only the distinct ones).

The product of its digits is 729000, while the sum is 49.

The cubic root of 5159692561 is about 1727.9901996017.

Multiplying 5159692561 by its sum of digits (49), we get a square (252824935489 = 502817²).

The spelling of 5159692561 in words is "five billion, one hundred fifty-nine million, six hundred ninety-two thousand, five hundred sixty-one".