11442996857 has 2 divisors, whose sum is σ = 11442996858. Its totient is φ = 11442996856.

The previous prime is 11442996847. The next prime is 11442996881. The reversal of 11442996857 is 75869924411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10613326441 + 829670416 = 103021^2 + 28804^2 .

It is a cyclic number.

It is not a de Polignac number, because 11442996857 - 2⁶ = 11442996793 is a prime.

It is not a weakly prime, because it can be changed into another prime (11442996847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5721498428 + 5721498429.

It is an arithmetic number, because the mean of its divisors is an integer number (5721498429).

Almost surely, 2^11442996857 is an apocalyptic number.

It is an amenable number.

11442996857 is a deficient number, since it is larger than the sum of its proper divisors (1).

11442996857 is an equidigital number, since it uses as much as digits as its factorization.

11442996857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 56.

The spelling of 11442996857 in words is "eleven billion, four hundred forty-two million, nine hundred ninety-six thousand, eight hundred fifty-seven".