15225583012 has 6 divisors (see below), whose sum is σ = 26644770278. Its totient is φ = 7612791504.

The previous prime is 15225582989. The next prime is 15225583039. The reversal of 15225583012 is 21038552251.

It can be written as a sum of positive squares in only one way, i.e., 13884851556 + 1340731456 = 117834^2 + 36616^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1903197873 + ... + 1903197880.

Almost surely, 2^15225583012 is an apocalyptic number.

It is an amenable number.

15225583012 is a deficient number, since it is larger than the sum of its proper divisors (11419187266).

15225583012 is a wasteful number, since it uses less digits than its factorization.

15225583012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806395757 (or 3806395755 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 15225583012 in words is "fifteen billion, two hundred twenty-five million, five hundred eighty-three thousand, twelve".