11752656013 has 4 divisors (see below), whose sum is σ = 13431606880. Its totient is φ = 10073705148.

The previous prime is 11752656011. The next prime is 11752656037. The reversal of 11752656013 is 31065625711.

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 11752656013 - 2¹ = 11752656011 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 (11752656011) 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, 839475423 + ... + 839475436.

It is an arithmetic number, because the mean of its divisors is an integer number (3357901720).

Almost surely, 2^11752656013 is an apocalyptic number.

It is an amenable number.

11752656013 is a deficient number, since it is larger than the sum of its proper divisors (1678950867).

11752656013 is an equidigital number, since it uses as much as digits as its factorization.

11752656013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678950866.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 11752656013 in words is "eleven billion, seven hundred fifty-two million, six hundred fifty-six thousand, thirteen".