14021205506 has 64 divisors (see below), whose sum is σ = 26629447680. Its totient is φ = 5378218560.

The previous prime is 14021205449. The next prime is 14021205533. The reversal of 14021205506 is 60550212041.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4828451 + ... + 4831353.

It is an arithmetic number, because the mean of its divisors is an integer number (416085120).

Almost surely, 2^14021205506 is an apocalyptic number.

14021205506 is a deficient number, since it is larger than the sum of its proper divisors (12608242174).

14021205506 is a wasteful number, since it uses less digits than its factorization.

14021205506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 14021205506 its reverse (60550212041), we get a palindrome (74571417547).

The spelling of 14021205506 in words is "fourteen billion, twenty-one million, two hundred five thousand, five hundred six".