11879851933 has 2 divisors, whose sum is σ = 11879851934. Its totient is φ = 11879851932.

The previous prime is 11879851883. The next prime is 11879851939. The reversal of 11879851933 is 33915897811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6498455769 + 5381396164 = 80613^2 + 73358^2 .

It is a cyclic number.

It is not a de Polignac number, because 11879851933 - 2²¹ = 11877754781 is a prime.

It is a super-2 number, since 2×11879851933² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11879851939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5939925966 + 5939925967.

It is an arithmetic number, because the mean of its divisors is an integer number (5939925967).

Almost surely, 2^11879851933 is an apocalyptic number.

It is an amenable number.

11879851933 is a deficient number, since it is larger than the sum of its proper divisors (1).

11879851933 is an equidigital number, since it uses as much as digits as its factorization.

11879851933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 55.

The spelling of 11879851933 in words is "eleven billion, eight hundred seventy-nine million, eight hundred fifty-one thousand, nine hundred thirty-three".