14005232505 has 40 divisors (see below), whose sum is σ = 27388018944. Its totient is φ = 6790413600.

The previous prime is 14005232497. The next prime is 14005232531. The reversal of 14005232505 is 50523250041.

It is a happy number.

14005232505 is a `hidden beast` number, since 1 + 400 + 5 + 2 + 3 + 250 + 5 = 666.

It is not a de Polignac number, because 14005232505 - 2³ = 14005232497 is a prime.

It is a super-2 number, since 2×14005232505² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1567401 + ... + 1576310.

Almost surely, 2^14005232505 is an apocalyptic number.

14005232505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14005232505 is a deficient number, since it is larger than the sum of its proper divisors (13382786439).

14005232505 is a wasteful number, since it uses less digits than its factorization.

14005232505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143739 (or 3143730 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 14005232505 its reverse (50523250041), we get a palindrome (64528482546).

The spelling of 14005232505 in words is "fourteen billion, five million, two hundred thirty-two thousand, five hundred five".