14257220511 has 16 divisors (see below), whose sum is σ = 19177804800. Its totient is φ = 9420938688.

The previous prime is 14257220507. The next prime is 14257220531. The reversal of 14257220511 is 11502275241.

It is a happy number.

It is not a de Polignac number, because 14257220511 - 2² = 14257220507 is a prime.

It is a super-2 number, since 2×14257220511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14257220501) 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, 244530 + ... + 297168.

It is an arithmetic number, because the mean of its divisors is an integer number (1198612800).

Almost surely, 2^14257220511 is an apocalyptic number.

14257220511 is a deficient number, since it is larger than the sum of its proper divisors (4920584289).

14257220511 is a wasteful number, since it uses less digits than its factorization.

14257220511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53438.

The product of its (nonzero) digits is 5600, while the sum is 30.

Adding to 14257220511 its reverse (11502275241), we get a palindrome (25759495752).

The spelling of 14257220511 in words is "fourteen billion, two hundred fifty-seven million, two hundred twenty thousand, five hundred eleven".