1401564753361 has 4 divisors (see below), whose sum is σ = 1401593178532. Its totient is φ = 1401536328192.

The previous prime is 1401564753359. The next prime is 1401564753367. The reversal of 1401564753361 is 1633574651041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 473386656961 + 928178096400 = 688031^2 + 963420^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401564753361 - 2¹ = 1401564753359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401564753367) 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, 14138496 + ... + 14237281.

It is an arithmetic number, because the mean of its divisors is an integer number (350398294633).

Almost surely, 2^{1401564753361} is an apocalyptic number.

It is an amenable number.

1401564753361 is a deficient number, since it is larger than the sum of its proper divisors (28425171).

1401564753361 is an equidigital number, since it uses as much as digits as its factorization.

1401564753361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28425170.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 1401564753361 in words is "one trillion, four hundred one billion, five hundred sixty-four million, seven hundred fifty-three thousand, three hundred sixty-one".