181415114263 has 2 divisors, whose sum is σ = 181415114264. Its totient is φ = 181415114262.

The previous prime is 181415114207. The next prime is 181415114281. The reversal of 181415114263 is 362411514181.

It is a strong prime.

It is an emirp because it is prime and its reverse (362411514181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 181415114263 - 2²⁵ = 181381559831 is a prime.

It is a super-2 number, since 2×181415114263² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (181415117263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90707557131 + 90707557132.

It is an arithmetic number, because the mean of its divisors is an integer number (90707557132).

Almost surely, 2^181415114263 is an apocalyptic number.

181415114263 is a deficient number, since it is larger than the sum of its proper divisors (1).

181415114263 is an equidigital number, since it uses as much as digits as its factorization.

181415114263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 37.

The spelling of 181415114263 in words is "one hundred eighty-one billion, four hundred fifteen million, one hundred fourteen thousand, two hundred sixty-three".