1112131309997 has 2 divisors, whose sum is σ = 1112131309998. Its totient is φ = 1112131309996.

The previous prime is 1112131309981. The next prime is 1112131310029. The reversal of 1112131309997 is 7999031312111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1062478546756 + 49652763241 = 1030766^2 + 222829^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112131309997 - 2⁴ = 1112131309981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112131309907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556065654998 + 556065654999.

It is an arithmetic number, because the mean of its divisors is an integer number (556065654999).

Almost surely, 2^{1112131309997} is an apocalyptic number.

It is an amenable number.

1112131309997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112131309997 is an equidigital number, since it uses as much as digits as its factorization.

1112131309997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 47.

The spelling of 1112131309997 in words is "one trillion, one hundred twelve billion, one hundred thirty-one million, three hundred nine thousand, nine hundred ninety-seven".