1110131309857 has 2 divisors, whose sum is σ = 1110131309858. Its totient is φ = 1110131309856.

The previous prime is 1110131309849. The next prime is 1110131309899. The reversal of 1110131309857 is 7589031310111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 855049746721 + 255081563136 = 924689^2 + 505056^2 .

It is an emirp because it is prime and its reverse (7589031310111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110131309857 - 2³ = 1110131309849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1110131309957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555065654928 + 555065654929.

It is an arithmetic number, because the mean of its divisors is an integer number (555065654929).

Almost surely, 2^{1110131309857} is an apocalyptic number.

It is an amenable number.

1110131309857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110131309857 is an equidigital number, since it uses as much as digits as its factorization.

1110131309857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 40.

Adding to 1110131309857 its reverse (7589031310111), we get a palindrome (8699162619968).

The spelling of 1110131309857 in words is "one trillion, one hundred ten billion, one hundred thirty-one million, three hundred nine thousand, eight hundred fifty-seven".