15243455564 has 6 divisors (see below), whose sum is σ = 26676047244. Its totient is φ = 7621727780.

The previous prime is 15243455537. The next prime is 15243455599. The reversal of 15243455564 is 46555434251.

It is a super-3 number, since 3×15243455564³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1905431942 + ... + 1905431949.

It is an arithmetic number, because the mean of its divisors is an integer number (4446007874).

Almost surely, 2^15243455564 is an apocalyptic number.

It is an amenable number.

15243455564 is a deficient number, since it is larger than the sum of its proper divisors (11432591680).

15243455564 is a wasteful number, since it uses less digits than its factorization.

15243455564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810863895 (or 3810863893 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 44.

The spelling of 15243455564 in words is "fifteen billion, two hundred forty-three million, four hundred fifty-five thousand, five hundred sixty-four".