15132554449 has 8 divisors (see below), whose sum is σ = 15263948160. Its totient is φ = 15001665936.

The previous prime is 15132554441. The next prime is 15132554509. The reversal of 15132554449 is 94445523151.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15132554449 - 2³ = 15132554441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15132554441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66009 + ... + 186070.

It is an arithmetic number, because the mean of its divisors is an integer number (1907993520).

Almost surely, 2^15132554449 is an apocalyptic number.

It is an amenable number.

15132554449 is a deficient number, since it is larger than the sum of its proper divisors (131393711).

15132554449 is a wasteful number, since it uses less digits than its factorization.

15132554449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252599.

The product of its digits is 432000, while the sum is 43.

The spelling of 15132554449 in words is "fifteen billion, one hundred thirty-two million, five hundred fifty-four thousand, four hundred forty-nine".