1118975649413 has 2 divisors, whose sum is σ = 1118975649414. Its totient is φ = 1118975649412.

The previous prime is 1118975649383. The next prime is 1118975649431. The reversal of 1118975649413 is 3149465798111.

Together with next prime (1118975649431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 912221740609 + 206753908804 = 955103^2 + 454702^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118975649413 - 2⁸ = 1118975649157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118975649443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559487824706 + 559487824707.

It is an arithmetic number, because the mean of its divisors is an integer number (559487824707).

Almost surely, 2^{1118975649413} is an apocalyptic number.

It is an amenable number.

1118975649413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118975649413 is an equidigital number, since it uses as much as digits as its factorization.

1118975649413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 59.

The spelling of 1118975649413 in words is "one trillion, one hundred eighteen billion, nine hundred seventy-five million, six hundred forty-nine thousand, four hundred thirteen".