11872142813 has 2 divisors, whose sum is σ = 11872142814. Its totient is φ = 11872142812.

The previous prime is 11872142771. The next prime is 11872142857. The reversal of 11872142813 is 31824127811.

11872142813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10740627769 + 1131515044 = 103637^2 + 33638^2 .

It is a cyclic number.

It is not a de Polignac number, because 11872142813 - 2¹⁶ = 11872077277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11872142713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5936071406 + 5936071407.

It is an arithmetic number, because the mean of its divisors is an integer number (5936071407).

Almost surely, 2^11872142813 is an apocalyptic number.

It is an amenable number.

11872142813 is a deficient number, since it is larger than the sum of its proper divisors (1).

11872142813 is an equidigital number, since it uses as much as digits as its factorization.

11872142813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 38.

The spelling of 11872142813 in words is "eleven billion, eight hundred seventy-two million, one hundred forty-two thousand, eight hundred thirteen".