11312334131921 has 2 divisors, whose sum is σ = 11312334131922. Its totient is φ = 11312334131920.

The previous prime is 11312334131911. The next prime is 11312334131927. The reversal of 11312334131921 is 12913143321311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10541476471696 + 770857660225 = 3246764^2 + 877985^2 .

It is an emirp because it is prime and its reverse (12913143321311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11312334131921 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11312334131927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656167065960 + 5656167065961.

It is an arithmetic number, because the mean of its divisors is an integer number (5656167065961).

Almost surely, 2^{11312334131921} is an apocalyptic number.

It is an amenable number.

11312334131921 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312334131921 is an equidigital number, since it uses as much as digits as its factorization.

11312334131921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 35.

The spelling of 11312334131921 in words is "eleven trillion, three hundred twelve billion, three hundred thirty-four million, one hundred thirty-one thousand, nine hundred twenty-one".