11455959436423 has 2 divisors, whose sum is σ = 11455959436424. Its totient is φ = 11455959436422.

The previous prime is 11455959436409. The next prime is 11455959436429. The reversal of 11455959436423 is 32463495955411.

It is a strong prime.

It is an emirp because it is prime and its reverse (32463495955411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11455959436423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11455959436429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727979718211 + 5727979718212.

It is an arithmetic number, because the mean of its divisors is an integer number (5727979718212).

Almost surely, 2^{11455959436423} is an apocalyptic number.

11455959436423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11455959436423 is an equidigital number, since it uses as much as digits as its factorization.

11455959436423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984000, while the sum is 61.

The spelling of 11455959436423 in words is "eleven trillion, four hundred fifty-five billion, nine hundred fifty-nine million, four hundred thirty-six thousand, four hundred twenty-three".