1165535406023 has 2 divisors, whose sum is σ = 1165535406024. Its totient is φ = 1165535406022.

The previous prime is 1165535405941. The next prime is 1165535406089. The reversal of 1165535406023 is 3206045355611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1165535406023 - 2⁸ = 1165535405767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1165535456023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582767703011 + 582767703012.

It is an arithmetic number, because the mean of its divisors is an integer number (582767703012).

Almost surely, 2^{1165535406023} is an apocalyptic number.

1165535406023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165535406023 is an equidigital number, since it uses as much as digits as its factorization.

1165535406023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 1165535406023 in words is "one trillion, one hundred sixty-five billion, five hundred thirty-five million, four hundred six thousand, twenty-three".