1113061088981 has 2 divisors, whose sum is σ = 1113061088982. Its totient is φ = 1113061088980.

The previous prime is 1113061088959. The next prime is 1113061089031. The reversal of 1113061088981 is 1898801603111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 808859201956 + 304201887025 = 899366^2 + 551545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113061088981 is a prime.

It is a super-2 number, since 2×1113061088981² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113061088941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556530544490 + 556530544491.

It is an arithmetic number, because the mean of its divisors is an integer number (556530544491).

Almost surely, 2^{1113061088981} is an apocalyptic number.

It is an amenable number.

1113061088981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113061088981 is an equidigital number, since it uses as much as digits as its factorization.

1113061088981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 47.

The spelling of 1113061088981 in words is "one trillion, one hundred thirteen billion, sixty-one million, eighty-eight thousand, nine hundred eighty-one".