14001478551 has 12 divisors (see below), whose sum is σ = 21103678128. Its totient is φ = 8928478944.

The previous prime is 14001478549. The next prime is 14001478567. The reversal of 14001478551 is 15587410041.

It is not a de Polignac number, because 14001478551 - 2¹ = 14001478549 is a prime.

It is a super-2 number, since 2×14001478551² (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 (14001478531) 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, 33819790 + ... + 33820203.

It is an arithmetic number, because the mean of its divisors is an integer number (1758639844).

Almost surely, 2^14001478551 is an apocalyptic number.

14001478551 is a deficient number, since it is larger than the sum of its proper divisors (7102199577).

14001478551 is a wasteful number, since it uses less digits than its factorization.

14001478551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67640022 (or 67640019 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

Adding to 14001478551 its reverse (15587410041), we get a palindrome (29588888592).

The spelling of 14001478551 in words is "fourteen billion, one million, four hundred seventy-eight thousand, five hundred fifty-one".