1131156145199 has 2 divisors, whose sum is σ = 1131156145200. Its totient is φ = 1131156145198.

The previous prime is 1131156145151. The next prime is 1131156145271. The reversal of 1131156145199 is 9915416511311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131156145199 - 2²⁰ = 1131155096623 is a prime.

It is a super-2 number, since 2×1131156145199² (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 (1131156145139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565578072599 + 565578072600.

It is an arithmetic number, because the mean of its divisors is an integer number (565578072600).

Almost surely, 2^{1131156145199} is an apocalyptic number.

1131156145199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131156145199 is an equidigital number, since it uses as much as digits as its factorization.

1131156145199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 47.

The spelling of 1131156145199 in words is "one trillion, one hundred thirty-one billion, one hundred fifty-six million, one hundred forty-five thousand, one hundred ninety-nine".