1211113245959 has 2 divisors, whose sum is σ = 1211113245960. Its totient is φ = 1211113245958.

The previous prime is 1211113245887. The next prime is 1211113245971. The reversal of 1211113245959 is 9595423111121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1211113245959 - 2⁸ = 1211113245703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211113265959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605556622979 + 605556622980.

It is an arithmetic number, because the mean of its divisors is an integer number (605556622980).

Almost surely, 2^{1211113245959} is an apocalyptic number.

1211113245959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211113245959 is an equidigital number, since it uses as much as digits as its factorization.

1211113245959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 44.

The spelling of 1211113245959 in words is "one trillion, two hundred eleven billion, one hundred thirteen million, two hundred forty-five thousand, nine hundred fifty-nine".