1156097973664 has 12 divisors (see below), whose sum is σ = 2276067885714. Its totient is φ = 578048986816.

The previous prime is 1156097973661. The next prime is 1156097973683. The reversal of 1156097973664 is 4663797906511.

It can be written as a sum of positive squares in only one way, i.e., 1086556064400 + 69541909264 = 1042380^2 + 263708^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1156097973596 and 1156097973605.

It is not an unprimeable number, because it can be changed into a prime (1156097973661) by changing a digit.

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 as a sum of consecutive naturals, namely, 18064030807 + ... + 18064030870.

Almost surely, 2^{1156097973664} is an apocalyptic number.

It is an amenable number.

1156097973664 is a deficient number, since it is larger than the sum of its proper divisors (1119969912050).

1156097973664 is an equidigital number, since it uses as much as digits as its factorization.

1156097973664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36128061687 (or 36128061679 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 64.

The spelling of 1156097973664 in words is "one trillion, one hundred fifty-six billion, ninety-seven million, nine hundred seventy-three thousand, six hundred sixty-four".