11413512491 has 2 divisors, whose sum is σ = 11413512492. Its totient is φ = 11413512490.

The previous prime is 11413512449. The next prime is 11413512499. The reversal of 11413512491 is 19421531411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11413512491 is a prime.

It is not a weakly prime, because it can be changed into another prime (11413512499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5706756245 + 5706756246.

It is an arithmetic number, because the mean of its divisors is an integer number (5706756246).

Almost surely, 2^11413512491 is an apocalyptic number.

11413512491 is a deficient number, since it is larger than the sum of its proper divisors (1).

11413512491 is an equidigital number, since it uses as much as digits as its factorization.

11413512491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 32.

The spelling of 11413512491 in words is "eleven billion, four hundred thirteen million, five hundred twelve thousand, four hundred ninety-one".