11120443391 has 2 divisors, whose sum is σ = 11120443392. Its totient is φ = 11120443390.

The previous prime is 11120443387. The next prime is 11120443441. The reversal of 11120443391 is 19334402111.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (19334402111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11120443391 - 2² = 11120443387 is a prime.

It is a super-2 number, since 2×11120443391² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11120443091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560221695 + 5560221696.

It is an arithmetic number, because the mean of its divisors is an integer number (5560221696).

Almost surely, 2^11120443391 is an apocalyptic number.

11120443391 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120443391 is an equidigital number, since it uses as much as digits as its factorization.

11120443391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 11120443391 in words is "eleven billion, one hundred twenty million, four hundred forty-three thousand, three hundred ninety-one".