1131213232159 has 2 divisors, whose sum is σ = 1131213232160. Its totient is φ = 1131213232158.

The previous prime is 1131213232153. The next prime is 1131213232213. The reversal of 1131213232159 is 9512323121311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131213232159 - 2⁷ = 1131213232031 is a prime.

It is a super-2 number, since 2×1131213232159² (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 (1131213232153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565606616079 + 565606616080.

It is an arithmetic number, because the mean of its divisors is an integer number (565606616080).

Almost surely, 2^{1131213232159} is an apocalyptic number.

1131213232159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131213232159 is an equidigital number, since it uses as much as digits as its factorization.

1131213232159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 34.

The spelling of 1131213232159 in words is "one trillion, one hundred thirty-one billion, two hundred thirteen million, two hundred thirty-two thousand, one hundred fifty-nine".