1315555552 has 24 divisors (see below), whose sum is σ = 2615152176. Its totient is φ = 651389952.

The previous prime is 1315555543. The next prime is 1315555583. The reversal of 1315555552 is 2555555131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196273 + ... + 202864.

It is an arithmetic number, because the mean of its divisors is an integer number (108964674).

Almost surely, 2^1315555552 is an apocalyptic number.

It is an amenable number.

1315555552 is a deficient number, since it is larger than the sum of its proper divisors (1299596624).

1315555552 is a wasteful number, since it uses less digits than its factorization.

1315555552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399250 (or 399242 counting only the distinct ones).

The product of its digits is 93750, while the sum is 37.

The square root of 1315555552 is about 36270.5879742802. The cubic root of 1315555552 is about 1095.7287676631.

The spelling of 1315555552 in words is "one billion, three hundred fifteen million, five hundred fifty-five thousand, five hundred fifty-two".