11401564013 has 4 divisors (see below), whose sum is σ = 13030358880. Its totient is φ = 9772769148.

The previous prime is 11401563989. The next prime is 11401564019. The reversal of 11401564013 is 31046510411.

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 11401564013 - 2¹⁸ = 11401301869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401564019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814397423 + ... + 814397436.

It is an arithmetic number, because the mean of its divisors is an integer number (3257589720).

Almost surely, 2^11401564013 is an apocalyptic number.

It is an amenable number.

11401564013 is a deficient number, since it is larger than the sum of its proper divisors (1628794867).

11401564013 is an equidigital number, since it uses as much as digits as its factorization.

11401564013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628794866.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 11401564013 in words is "eleven billion, four hundred one million, five hundred sixty-four thousand, thirteen".