1121991029359 has 2 divisors, whose sum is σ = 1121991029360. Its totient is φ = 1121991029358.

The previous prime is 1121991029329. The next prime is 1121991029371. The reversal of 1121991029359 is 9539201991211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121991029359 - 2¹³ = 1121991021167 is a prime.

It is a super-3 number, since 3×1121991029359³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121991029309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560995514679 + 560995514680.

It is an arithmetic number, because the mean of its divisors is an integer number (560995514680).

Almost surely, 2^{1121991029359} is an apocalyptic number.

1121991029359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121991029359 is an equidigital number, since it uses as much as digits as its factorization.

1121991029359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393660, while the sum is 52.

The spelling of 1121991029359 in words is "one trillion, one hundred twenty-one billion, nine hundred ninety-one million, twenty-nine thousand, three hundred fifty-nine".