1089121113599 has 2 divisors, whose sum is σ = 1089121113600. Its totient is φ = 1089121113598.

The previous prime is 1089121113593. The next prime is 1089121113607. The reversal of 1089121113599 is 9953111219801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1089121113599 - 2⁴ = 1089121113583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1089121113593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544560556799 + 544560556800.

It is an arithmetic number, because the mean of its divisors is an integer number (544560556800).

Almost surely, 2^{1089121113599} is an apocalyptic number.

1089121113599 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089121113599 is an equidigital number, since it uses as much as digits as its factorization.

1089121113599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 50.

The spelling of 1089121113599 in words is "one trillion, eighty-nine billion, one hundred twenty-one million, one hundred thirteen thousand, five hundred ninety-nine".