1156347654797 has 4 divisors (see below), whose sum is σ = 1156349962560. Its totient is φ = 1156345347036.

The previous prime is 1156347654779. The next prime is 1156347654799. The reversal of 1156347654797 is 7974567436511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1156347654797 - 2²⁶ = 1156280545933 is a prime.

It is a super-2 number, since 2×1156347654797² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156347654799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50723 + ... + 1521600.

It is an arithmetic number, because the mean of its divisors is an integer number (289087490640).

Almost surely, 2^{1156347654797} is an apocalyptic number.

It is an amenable number.

1156347654797 is a deficient number, since it is larger than the sum of its proper divisors (2307763).

1156347654797 is an equidigital number, since it uses as much as digits as its factorization.

1156347654797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307762.

The product of its digits is 133358400, while the sum is 65.

The spelling of 1156347654797 in words is "one trillion, one hundred fifty-six billion, three hundred forty-seven million, six hundred fifty-four thousand, seven hundred ninety-seven".