1315064451656 has 32 divisors (see below), whose sum is σ = 2497420128000. Its totient is φ = 649088833536.

The previous prime is 1315064451607. The next prime is 1315064451661. The reversal of 1315064451656 is 6561544605131.

It is a super-2 number, since 2×1315064451656² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1315064451656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3272840 + ... + 3652616.

It is an arithmetic number, because the mean of its divisors is an integer number (78044379000).

Almost surely, 2^{1315064451656} is an apocalyptic number.

It is an amenable number.

1315064451656 is a deficient number, since it is larger than the sum of its proper divisors (1182355676344).

1315064451656 is a wasteful number, since it uses less digits than its factorization.

1315064451656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385341 (or 385337 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 1315064451656 in words is "one trillion, three hundred fifteen billion, sixty-four million, four hundred fifty-one thousand, six hundred fifty-six".