1345794887056 has 15 divisors (see below), whose sum is σ = 2607486584353. Its totient is φ = 672895123360.

The previous prime is 1345794886913. The next prime is 1345794887077. The reversal of 1345794887056 is 6507884975431.

The square root of 1345794887056 is 1160084.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 862825485456 + 482969401600 = 928884^2 + 694960^2 .

It is a super-2 number, since 2×1345794887056² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345794886982 and 1345794887000.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4495326 + ... + 4785346.

Almost surely, 2^{1345794887056} is an apocalyptic number.

1345794887056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1345794887056 is the 1160084-th square number.

It is an amenable number.

1345794887056 is a deficient number, since it is larger than the sum of its proper divisors (1261691697297).

1345794887056 is an frugal number, since it uses more digits than its factorization.

1345794887056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580050 (or 290023 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 67.

The spelling of 1345794887056 in words is "one trillion, three hundred forty-five billion, seven hundred ninety-four million, eight hundred eighty-seven thousand, fifty-six".