15231134452 has 24 divisors (see below), whose sum is σ = 26988847200. Its totient is φ = 7520125536.

The previous prime is 15231134437. The next prime is 15231134459. The reversal of 15231134452 is 25443113251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15231134459) 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 7 ways as a sum of consecutive naturals, for example, 743199 + ... + 763417.

It is an arithmetic number, because the mean of its divisors is an integer number (1124535300).

Almost surely, 2^15231134452 is an apocalyptic number.

It is an amenable number.

15231134452 is a deficient number, since it is larger than the sum of its proper divisors (11757712748).

15231134452 is a wasteful number, since it uses less digits than its factorization.

15231134452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22575 (or 22573 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The spelling of 15231134452 in words is "fifteen billion, two hundred thirty-one million, one hundred thirty-four thousand, four hundred fifty-two".