11331129969157 has 2 divisors, whose sum is σ = 11331129969158. Its totient is φ = 11331129969156.

The previous prime is 11331129969121. The next prime is 11331129969161. The reversal of 11331129969157 is 75196992113311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6422605529796 + 4908524439361 = 2534286^2 + 2215519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331129969157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331129969557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665564984578 + 5665564984579.

It is an arithmetic number, because the mean of its divisors is an integer number (5665564984579).

Almost surely, 2^{11331129969157} is an apocalyptic number.

It is an amenable number.

11331129969157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331129969157 is an equidigital number, since it uses as much as digits as its factorization.

11331129969157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2755620, while the sum is 58.

The spelling of 11331129969157 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-nine million, nine hundred sixty-nine thousand, one hundred fifty-seven".