1320564361051 has 8 divisors (see below), whose sum is σ = 1422161715744. Its totient is φ = 1218969217920.

The previous prime is 1320564361043. The next prime is 1320564361069. The reversal of 1320564361051 is 1501634650231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320564361051 - 2³ = 1320564361043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320564361051.

It is not an unprimeable number, because it can be changed into a prime (1320564361021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812115 + ... + 1816771.

It is an arithmetic number, because the mean of its divisors is an integer number (177770214468).

Almost surely, 2^{1320564361051} is an apocalyptic number.

1320564361051 is a deficient number, since it is larger than the sum of its proper divisors (101597354693).

1320564361051 is a wasteful number, since it uses less digits than its factorization.

1320564361051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105781.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 1320564361051 in words is "one trillion, three hundred twenty billion, five hundred sixty-four million, three hundred sixty-one thousand, fifty-one".