15001331452 has 6 divisors (see below), whose sum is σ = 26252330048. Its totient is φ = 7500665724.

The previous prime is 15001331447. The next prime is 15001331461. The reversal of 15001331452 is 25413310051.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1875166428 + ... + 1875166435.

Almost surely, 2^15001331452 is an apocalyptic number.

It is an amenable number.

15001331452 is a deficient number, since it is larger than the sum of its proper divisors (11250998596).

15001331452 is a wasteful number, since it uses less digits than its factorization.

15001331452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750332867 (or 3750332865 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 15001331452 in words is "fifteen billion, one million, three hundred thirty-one thousand, four hundred fifty-two".