14211751257 has 12 divisors (see below), whose sum is σ = 22394274864. Its totient is φ = 8613182520.

The previous prime is 14211751243. The next prime is 14211751261. The reversal of 14211751257 is 75215711241.

It is a happy number.

14211751257 is a `hidden beast` number, since 1 + 421 + 175 + 12 + 57 = 666.

It is not a de Polignac number, because 14211751257 - 2¹² = 14211747161 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (14211751217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71776423 + ... + 71776620.

It is an arithmetic number, because the mean of its divisors is an integer number (1866189572).

Almost surely, 2^14211751257 is an apocalyptic number.

It is an amenable number.

14211751257 is a deficient number, since it is larger than the sum of its proper divisors (8182523607).

14211751257 is a wasteful number, since it uses less digits than its factorization.

14211751257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143553060 (or 143553057 counting only the distinct ones).

The product of its digits is 19600, while the sum is 36.

The spelling of 14211751257 in words is "fourteen billion, two hundred eleven million, seven hundred fifty-one thousand, two hundred fifty-seven".