1564113142013 has 4 divisors (see below), whose sum is σ = 1564119199488. Its totient is φ = 1564107084540.

The previous prime is 1564113141971. The next prime is 1564113142027. The reversal of 1564113142013 is 3102413114651.

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 a de Polignac number, because none of the positive numbers 2^k-1564113142013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1564113142043) 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, 2623331 + ... + 3163872.

It is an arithmetic number, because the mean of its divisors is an integer number (391029799872).

Almost surely, 2^{1564113142013} is an apocalyptic number.

It is an amenable number.

1564113142013 is a deficient number, since it is larger than the sum of its proper divisors (6057475).

1564113142013 is an equidigital number, since it uses as much as digits as its factorization.

1564113142013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057474.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 1564113142013 its reverse (3102413114651), we get a palindrome (4666526256664).

The spelling of 1564113142013 in words is "one trillion, five hundred sixty-four billion, one hundred thirteen million, one hundred forty-two thousand, thirteen".