11491610331053 has 2 divisors, whose sum is σ = 11491610331054. Its totient is φ = 11491610331052.

The previous prime is 11491610330999. The next prime is 11491610331079. The reversal of 11491610331053 is 35013301619411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7500077845129 + 3991532485924 = 2738627^2 + 1997882^2 .

It is a cyclic number.

It is not a de Polignac number, because 11491610331053 - 2⁶ = 11491610330989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11491610330998 and 11491610331016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11491610331853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5745805165526 + 5745805165527.

It is an arithmetic number, because the mean of its divisors is an integer number (5745805165527).

Almost surely, 2^{11491610331053} is an apocalyptic number.

It is an amenable number.

11491610331053 is a deficient number, since it is larger than the sum of its proper divisors (1).

11491610331053 is an equidigital number, since it uses as much as digits as its factorization.

11491610331053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 11491610331053 in words is "eleven trillion, four hundred ninety-one billion, six hundred ten million, three hundred thirty-one thousand, fifty-three".