15152121452 has 96 divisors (see below), whose sum is σ = 30124180800. Its totient is φ = 6621668352.

The previous prime is 15152121449. The next prime is 15152121473. The reversal of 15152121452 is 25412125151.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14173574 + ... + 14174642.

It is an arithmetic number, because the mean of its divisors is an integer number (313793550).

Almost surely, 2^15152121452 is an apocalyptic number.

It is an amenable number.

15152121452 is a deficient number, since it is larger than the sum of its proper divisors (14972059348).

15152121452 is a wasteful number, since it uses less digits than its factorization.

15152121452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315 (or 1313 counting only the distinct ones).

The product of its digits is 4000, while the sum is 29.

The spelling of 15152121452 in words is "fifteen billion, one hundred fifty-two million, one hundred twenty-one thousand, four hundred fifty-two".