11356798479491 has 2 divisors, whose sum is σ = 11356798479492. Its totient is φ = 11356798479490.

The previous prime is 11356798479449. The next prime is 11356798479493. The reversal of 11356798479491 is 19497489765311.

It is a strong prime.

It is an emirp because it is prime and its reverse (19497489765311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11356798479491 - 2¹⁴ = 11356798463107 is a prime.

Together with 11356798479493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11356798479493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5678399239745 + 5678399239746.

It is an arithmetic number, because the mean of its divisors is an integer number (5678399239746).

Almost surely, 2^{11356798479491} is an apocalyptic number.

11356798479491 is a deficient number, since it is larger than the sum of its proper divisors (1).

11356798479491 is an equidigital number, since it uses as much as digits as its factorization.

11356798479491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 411505920, while the sum is 74.

The spelling of 11356798479491 in words is "eleven trillion, three hundred fifty-six billion, seven hundred ninety-eight million, four hundred seventy-nine thousand, four hundred ninety-one".