14215111057 has 16 divisors (see below), whose sum is σ = 16313102080. Its totient is φ = 12134043648.

The previous prime is 14215111049. The next prime is 14215111063. The reversal of 14215111057 is 75011151241.

It is a cyclic number.

It is not a de Polignac number, because 14215111057 - 2³ = 14215111049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14215111087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1769113 + ... + 1777129.

It is an arithmetic number, because the mean of its divisors is an integer number (1019568880).

Almost surely, 2^14215111057 is an apocalyptic number.

It is an amenable number.

14215111057 is a deficient number, since it is larger than the sum of its proper divisors (2097991023).

14215111057 is an equidigital number, since it uses as much as digits as its factorization.

14215111057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9040.

The product of its (nonzero) digits is 1400, while the sum is 28.

Adding to 14215111057 its reverse (75011151241), we get a palindrome (89226262298).

The spelling of 14215111057 in words is "fourteen billion, two hundred fifteen million, one hundred eleven thousand, fifty-seven".