1164053721601 has 4 divisors (see below), whose sum is σ = 1169181711792. Its totient is φ = 1158925731412.

The previous prime is 1164053721547. The next prime is 1164053721619. The reversal of 1164053721601 is 1061273504611.

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 1164053721601 - 2²⁹ = 1163516850689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1164053721101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563994755 + ... + 2563995208.

It is an arithmetic number, because the mean of its divisors is an integer number (292295427948).

Almost surely, 2^{1164053721601} is an apocalyptic number.

It is an amenable number.

1164053721601 is a deficient number, since it is larger than the sum of its proper divisors (5127990191).

1164053721601 is an equidigital number, since it uses as much as digits as its factorization.

1164053721601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127990190.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 1164053721601 in words is "one trillion, one hundred sixty-four billion, fifty-three million, seven hundred twenty-one thousand, six hundred one".