14507118221881 has 2 divisors, whose sum is σ = 14507118221882. Its totient is φ = 14507118221880.

The previous prime is 14507118221863. The next prime is 14507118221903. The reversal of 14507118221881 is 18812281170541.

14507118221881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9680287251856 + 4826830970025 = 3111316^2 + 2197005^2 .

It is an emirp because it is prime and its reverse (18812281170541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14507118221881 - 2¹⁷ = 14507118090809 is a prime.

It is a super-2 number, since 2×14507118221881² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14507118221081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7253559110940 + 7253559110941.

It is an arithmetic number, because the mean of its divisors is an integer number (7253559110941).

Almost surely, 2^{14507118221881} is an apocalyptic number.

It is an amenable number.

14507118221881 is a deficient number, since it is larger than the sum of its proper divisors (1).

14507118221881 is an equidigital number, since it uses as much as digits as its factorization.

14507118221881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 286720, while the sum is 49.

The spelling of 14507118221881 in words is "fourteen trillion, five hundred seven billion, one hundred eighteen million, two hundred twenty-one thousand, eight hundred eighty-one".