11116455643 has 2 divisors, whose sum is σ = 11116455644. Its totient is φ = 11116455642.

The previous prime is 11116455619. The next prime is 11116455659. The reversal of 11116455643 is 34655461111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11116455643 - 2¹³ = 11116447451 is a prime.

It is not a weakly prime, because it can be changed into another prime (11116456643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558227821 + 5558227822.

It is an arithmetic number, because the mean of its divisors is an integer number (5558227822).

Almost surely, 2^11116455643 is an apocalyptic number.

11116455643 is a deficient number, since it is larger than the sum of its proper divisors (1).

11116455643 is an equidigital number, since it uses as much as digits as its factorization.

11116455643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 37.

The spelling of 11116455643 in words is "eleven billion, one hundred sixteen million, four hundred fifty-five thousand, six hundred forty-three".