1164263452961 has 4 divisors (see below), whose sum is σ = 1330586803392. Its totient is φ = 997940102532.

The previous prime is 1164263452897. The next prime is 1164263452969. The reversal of 1164263452961 is 1692543624611.

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 1164263452961 - 2⁶ = 1164263452897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1164263452969) 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, 83161675205 + ... + 83161675218.

It is an arithmetic number, because the mean of its divisors is an integer number (332646700848).

Almost surely, 2^{1164263452961} is an apocalyptic number.

It is an amenable number.

1164263452961 is a deficient number, since it is larger than the sum of its proper divisors (166323350431).

1164263452961 is an equidigital number, since it uses as much as digits as its factorization.

1164263452961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166323350430.

The product of its digits is 1866240, while the sum is 50.

The spelling of 1164263452961 in words is "one trillion, one hundred sixty-four billion, two hundred sixty-three million, four hundred fifty-two thousand, nine hundred sixty-one".