11455491119 has 2 divisors, whose sum is σ = 11455491120. Its totient is φ = 11455491118.

The previous prime is 11455491109. The next prime is 11455491133. The reversal of 11455491119 is 91119455411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11455491119 - 2³² = 7160523823 is a prime.

It is a super-2 number, since 2×11455491119² (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 (11455491109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727745559 + 5727745560.

It is an arithmetic number, because the mean of its divisors is an integer number (5727745560).

Almost surely, 2^11455491119 is an apocalyptic number.

11455491119 is a deficient number, since it is larger than the sum of its proper divisors (1).

11455491119 is an equidigital number, since it uses as much as digits as its factorization.

11455491119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 41.

The spelling of 11455491119 in words is "eleven billion, four hundred fifty-five million, four hundred ninety-one thousand, one hundred nineteen".