11356798479449 has 2 divisors, whose sum is σ = 11356798479450. Its totient is φ = 11356798479448.

The previous prime is 11356798479373. The next prime is 11356798479491. The reversal of 11356798479449 is 94497489765311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8959503657049 + 2397294822400 = 2993243^2 + 1548320^2 .

It is a cyclic number.

It is not a de Polignac number, because 11356798479449 - 2²⁸ = 11356530043993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11356798479449.

It is not a weakly prime, because it can be changed into another prime (11356798479149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5678399239724 + 5678399239725.

It is an arithmetic number, because the mean of its divisors is an integer number (5678399239725).

Almost surely, 2^{11356798479449} is an apocalyptic number.

It is an amenable number.

11356798479449 is a deficient number, since it is larger than the sum of its proper divisors (1).

11356798479449 is an equidigital number, since it uses as much as digits as its factorization.

11356798479449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1646023680, while the sum is 77.

The spelling of 11356798479449 in words is "eleven trillion, three hundred fifty-six billion, seven hundred ninety-eight million, four hundred seventy-nine thousand, four hundred forty-nine".