11100557843 has 2 divisors, whose sum is σ = 11100557844. Its totient is φ = 11100557842.

The previous prime is 11100557747. The next prime is 11100557851. The reversal of 11100557843 is 34875500111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11100557843 - 2¹⁸ = 11100295699 is a prime.

It is not a weakly prime, because it can be changed into another prime (11100551843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550278921 + 5550278922.

It is an arithmetic number, because the mean of its divisors is an integer number (5550278922).

Almost surely, 2^11100557843 is an apocalyptic number.

11100557843 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100557843 is an equidigital number, since it uses as much as digits as its factorization.

11100557843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 35.

The spelling of 11100557843 in words is "eleven billion, one hundred million, five hundred fifty-seven thousand, eight hundred forty-three".