11103231977 has 2 divisors, whose sum is σ = 11103231978. Its totient is φ = 11103231976.

The previous prime is 11103231959. The next prime is 11103232009. The reversal of 11103231977 is 77913230111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11099886736 + 3345241 = 105356^2 + 1829^2 .

It is a cyclic number.

It is not a de Polignac number, because 11103231977 - 2⁸ = 11103231721 is a prime.

It is not a weakly prime, because it can be changed into another prime (11103231277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551615988 + 5551615989.

It is an arithmetic number, because the mean of its divisors is an integer number (5551615989).

Almost surely, 2^11103231977 is an apocalyptic number.

It is an amenable number.

11103231977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103231977 is an equidigital number, since it uses as much as digits as its factorization.

11103231977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 35.

The spelling of 11103231977 in words is "eleven billion, one hundred three million, two hundred thirty-one thousand, nine hundred seventy-seven".