11556417343 has 2 divisors, whose sum is σ = 11556417344. Its totient is φ = 11556417342.

The previous prime is 11556417287. The next prime is 11556417359. The reversal of 11556417343 is 34371465511.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (34371465511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11556417343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11556417296 and 11556417305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11551417343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5778208671 + 5778208672.

It is an arithmetic number, because the mean of its divisors is an integer number (5778208672).

Almost surely, 2^11556417343 is an apocalyptic number.

11556417343 is a deficient number, since it is larger than the sum of its proper divisors (1).

11556417343 is an equidigital number, since it uses as much as digits as its factorization.

11556417343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The spelling of 11556417343 in words is "eleven billion, five hundred fifty-six million, four hundred seventeen thousand, three hundred forty-three".