1156353964897 has 2 divisors, whose sum is σ = 1156353964898. Its totient is φ = 1156353964896.

The previous prime is 1156353964891. The next prime is 1156353964933. The reversal of 1156353964897 is 7984693536511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 682591568481 + 473762396416 = 826191^2 + 688304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1156353964897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1156353964891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578176982448 + 578176982449.

It is an arithmetic number, because the mean of its divisors is an integer number (578176982449).

Almost surely, 2^{1156353964897} is an apocalyptic number.

It is an amenable number.

1156353964897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156353964897 is an equidigital number, since it uses as much as digits as its factorization.

1156353964897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 146966400, while the sum is 67.

The spelling of 1156353964897 in words is "one trillion, one hundred fifty-six billion, three hundred fifty-three million, nine hundred sixty-four thousand, eight hundred ninety-seven".