11377857973 has 2 divisors, whose sum is σ = 11377857974. Its totient is φ = 11377857972.

The previous prime is 11377857961. The next prime is 11377858021. The reversal of 11377857973 is 37975877311.

It is a happy number.

11377857973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6948556164 + 4429301809 = 83358^2 + 66553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11377857973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11377857923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5688928986 + 5688928987.

It is an arithmetic number, because the mean of its divisors is an integer number (5688928987).

Almost surely, 2^11377857973 is an apocalyptic number.

It is an amenable number.

11377857973 is a deficient number, since it is larger than the sum of its proper divisors (1).

11377857973 is an equidigital number, since it uses as much as digits as its factorization.

11377857973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7779240, while the sum is 58.

The spelling of 11377857973 in words is "eleven billion, three hundred seventy-seven million, eight hundred fifty-seven thousand, nine hundred seventy-three".