1156348220567 has 4 divisors (see below), whose sum is σ = 1159175478240. Its totient is φ = 1153520962896.

The previous prime is 1156348220561. The next prime is 1156348220609. The reversal of 1156348220567 is 7650228436511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1156348220567 - 2²⁶ = 1156281111703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156348220561) 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, 1413628223 + ... + 1413629040.

It is an arithmetic number, because the mean of its divisors is an integer number (289793869560).

Almost surely, 2^{1156348220567} is an apocalyptic number.

1156348220567 is a deficient number, since it is larger than the sum of its proper divisors (2827257673).

1156348220567 is an equidigital number, since it uses as much as digits as its factorization.

1156348220567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827257672.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 1156348220567 in words is "one trillion, one hundred fifty-six billion, three hundred forty-eight million, two hundred twenty thousand, five hundred sixty-seven".