11556347107 has 2 divisors, whose sum is σ = 11556347108. Its totient is φ = 11556347106.

The previous prime is 11556347087. The next prime is 11556347111. The reversal of 11556347107 is 70174365511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11556347107 - 2²⁷ = 11422129379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11556347107.

It is not a weakly prime, because it can be changed into another prime (11556347147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5778173553 + 5778173554.

It is an arithmetic number, because the mean of its divisors is an integer number (5778173554).

Almost surely, 2^11556347107 is an apocalyptic number.

11556347107 is a deficient number, since it is larger than the sum of its proper divisors (1).

11556347107 is an equidigital number, since it uses as much as digits as its factorization.

11556347107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 11556347107 in words is "eleven billion, five hundred fifty-six million, three hundred forty-seven thousand, one hundred seven".