15166551245023 has 2 divisors, whose sum is σ = 15166551245024. Its totient is φ = 15166551245022.

The previous prime is 15166551245017. The next prime is 15166551245077. The reversal of 15166551245023 is 32054215566151.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15166551245023 - 2⁹ = 15166551244511 is a prime.

It is a super-2 number, since 2×15166551245023² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15166551545023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7583275622511 + 7583275622512.

It is an arithmetic number, because the mean of its divisors is an integer number (7583275622512).

Almost surely, 2^{15166551245023} is an apocalyptic number.

15166551245023 is a deficient number, since it is larger than the sum of its proper divisors (1).

15166551245023 is an equidigital number, since it uses as much as digits as its factorization.

15166551245023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 15166551245023 in words is "fifteen trillion, one hundred sixty-six billion, five hundred fifty-one million, two hundred forty-five thousand, twenty-three".