11310129991 has 2 divisors, whose sum is σ = 11310129992. Its totient is φ = 11310129990.

The previous prime is 11310129979. The next prime is 11310130033. The reversal of 11310129991 is 19992101311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11310129991 - 2⁵ = 11310129959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11310129991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11310129091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655064995 + 5655064996.

It is an arithmetic number, because the mean of its divisors is an integer number (5655064996).

Almost surely, 2^11310129991 is an apocalyptic number.

11310129991 is a deficient number, since it is larger than the sum of its proper divisors (1).

11310129991 is an equidigital number, since it uses as much as digits as its factorization.

11310129991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 37.

The spelling of 11310129991 in words is "eleven billion, three hundred ten million, one hundred twenty-nine thousand, nine hundred ninety-one".