11240123977 has 2 divisors, whose sum is σ = 11240123978. Its totient is φ = 11240123976.

The previous prime is 11240123959. The next prime is 11240124011. The reversal of 11240123977 is 77932104211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9413074441 + 1827049536 = 97021^2 + 42744^2 .

It is a cyclic number.

It is not a de Polignac number, because 11240123977 - 2¹⁹ = 11239599689 is a prime.

It is not a weakly prime, because it can be changed into another prime (11240223977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5620061988 + 5620061989.

It is an arithmetic number, because the mean of its divisors is an integer number (5620061989).

Almost surely, 2^11240123977 is an apocalyptic number.

It is an amenable number.

11240123977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11240123977 is an equidigital number, since it uses as much as digits as its factorization.

11240123977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 11240123977 in words is "eleven billion, two hundred forty million, one hundred twenty-three thousand, nine hundred seventy-seven".