1150231216523 has 2 divisors, whose sum is σ = 1150231216524. Its totient is φ = 1150231216522.

The previous prime is 1150231216507. The next prime is 1150231216573. The reversal of 1150231216523 is 3256121320511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1150231216523 - 2⁴ = 1150231216507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1150231216523.

It is not a weakly prime, because it can be changed into another prime (1150231216573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575115608261 + 575115608262.

It is an arithmetic number, because the mean of its divisors is an integer number (575115608262).

Almost surely, 2^{1150231216523} is an apocalyptic number.

1150231216523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150231216523 is an equidigital number, since it uses as much as digits as its factorization.

1150231216523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 1150231216523 in words is "one trillion, one hundred fifty billion, two hundred thirty-one million, two hundred sixteen thousand, five hundred twenty-three".