1315655056 has 40 divisors (see below), whose sum is σ = 2590247160. Its totient is φ = 647248896.

The previous prime is 1315654969. The next prime is 1315655069. The reversal of 1315655056 is 6505565131.

It can be written as a sum of positive squares in 4 ways, for example, as 865536400 + 450118656 = 29420^2 + 21216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593406 + ... + 595618.

It is an arithmetic number, because the mean of its divisors is an integer number (64756179).

Almost surely, 2^1315655056 is an apocalyptic number.

1315655056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1315655056 is a deficient number, since it is larger than the sum of its proper divisors (1274592104).

1315655056 is a wasteful number, since it uses less digits than its factorization.

1315655056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803 (or 2797 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 37.

The square root of 1315655056 is about 36271.9596382660. The cubic root of 1315655056 is about 1095.7563926581.

The spelling of 1315655056 in words is "one billion, three hundred fifteen million, six hundred fifty-five thousand, fifty-six".