1123677911 has 2 divisors, whose sum is σ = 1123677912. Its totient is φ = 1123677910.

The previous prime is 1123677899. The next prime is 1123677913. The reversal of 1123677911 is 1197763211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123677911 - 2¹⁸ = 1123415767 is a prime.

Together with 1123677913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123677913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561838955 + 561838956.

It is an arithmetic number, because the mean of its divisors is an integer number (561838956).

Almost surely, 2^1123677911 is an apocalyptic number.

1123677911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123677911 is an equidigital number, since it uses as much as digits as its factorization.

1123677911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 38.

The square root of 1123677911 is about 33521.3053295960. The cubic root of 1123677911 is about 1039.6343361296.

The spelling of 1123677911 in words is "one billion, one hundred twenty-three million, six hundred seventy-seven thousand, nine hundred eleven".