11892598813 has 2 divisors, whose sum is σ = 11892598814. Its totient is φ = 11892598812.

The previous prime is 11892598741. The next prime is 11892598831. The reversal of 11892598813 is 31889529811.

Together with next prime (11892598831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10891635769 + 1000963044 = 104363^2 + 31638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11892598813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11892598843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5946299406 + 5946299407.

It is an arithmetic number, because the mean of its divisors is an integer number (5946299407).

Almost surely, 2^11892598813 is an apocalyptic number.

It is an amenable number.

11892598813 is a deficient number, since it is larger than the sum of its proper divisors (1).

11892598813 is an equidigital number, since it uses as much as digits as its factorization.

11892598813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 55.

The spelling of 11892598813 in words is "eleven billion, eight hundred ninety-two million, five hundred ninety-eight thousand, eight hundred thirteen".