11455691479247 has 2 divisors, whose sum is σ = 11455691479248. Its totient is φ = 11455691479246.

The previous prime is 11455691479217. The next prime is 11455691479301. The reversal of 11455691479247 is 74297419655411.

It is a weak prime.

It is an emirp because it is prime and its reverse (74297419655411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11455691479247 - 2⁸ = 11455691478991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11455691479217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727845739623 + 5727845739624.

It is an arithmetic number, because the mean of its divisors is an integer number (5727845739624).

Almost surely, 2^{11455691479247} is an apocalyptic number.

11455691479247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11455691479247 is an equidigital number, since it uses as much as digits as its factorization.

11455691479247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76204800, while the sum is 65.

The spelling of 11455691479247 in words is "eleven trillion, four hundred fifty-five billion, six hundred ninety-one million, four hundred seventy-nine thousand, two hundred forty-seven".