15152871409 has 27 divisors (see below), whose sum is σ = 17461448067. Its totient is φ = 13140850944.

The previous prime is 15152871407. The next prime is 15152871451. The reversal of 15152871409 is 90417825151.

The square root of 15152871409 is 123097.

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

It can be written as a sum of positive squares in 13 ways, for example, as 14521455025 + 631416384 = 120505^2 + 25128^2 .

It is not a de Polignac number, because 15152871409 - 2¹ = 15152871407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15152871401) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 27204159 + ... + 27204715.

Almost surely, 2^15152871409 is an apocalyptic number.

15152871409 is the 123097-th square number.

15152871409 is the 61549-th centered octagonal number.

It is an amenable number.

15152871409 is a deficient number, since it is larger than the sum of its proper divisors (2308576658).

15152871409 is an frugal number, since it uses more digits than its factorization.

15152871409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 43.

The spelling of 15152871409 in words is "fifteen billion, one hundred fifty-two million, eight hundred seventy-one thousand, four hundred nine".