11110331977 has 2 divisors, whose sum is σ = 11110331978. Its totient is φ = 11110331976.

The previous prime is 11110331941. The next prime is 11110331989. The reversal of 11110331977 is 77913301111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11055260736 + 55071241 = 105144^2 + 7421^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110331977 - 2⁷ = 11110331849 is a prime.

It is not a weakly prime, because it can be changed into another prime (11110331077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555165988 + 5555165989.

It is an arithmetic number, because the mean of its divisors is an integer number (5555165989).

Almost surely, 2^11110331977 is an apocalyptic number.

It is an amenable number.

11110331977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110331977 is an equidigital number, since it uses as much as digits as its factorization.

11110331977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969, while the sum is 34.

The spelling of 11110331977 in words is "eleven billion, one hundred ten million, three hundred thirty-one thousand, nine hundred seventy-seven".