14421111478257 has 32 divisors (see below), whose sum is σ = 21001961111040. Its totient is φ = 8729319957120.

The previous prime is 14421111478237. The next prime is 14421111478273. The reversal of 14421111478257 is 75287411112441.

It is not a de Polignac number, because 14421111478257 - 2⁸ = 14421111478001 is a prime.

It is a super-4 number, since 4×14421111478257⁴ (a number of 54 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (14421111478237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433192869 + ... + 433226157.

It is an arithmetic number, because the mean of its divisors is an integer number (656311284720).

Almost surely, 2^{14421111478257} is an apocalyptic number.

It is an amenable number.

14421111478257 is a deficient number, since it is larger than the sum of its proper divisors (6580849632783).

14421111478257 is a wasteful number, since it uses less digits than its factorization.

14421111478257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49053.

The product of its digits is 501760, while the sum is 48.

The spelling of 14421111478257 in words is "fourteen trillion, four hundred twenty-one billion, one hundred eleven million, four hundred seventy-eight thousand, two hundred fifty-seven".