14155121516 has 12 divisors (see below), whose sum is σ = 24784173120. Its totient is φ = 7073929200.

The previous prime is 14155121509. The next prime is 14155121527. The reversal of 14155121516 is 61512155141.

14155121516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×14155121516² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899111 + ... + 914718.

It is an arithmetic number, because the mean of its divisors is an integer number (2065347760).

Almost surely, 2^14155121516 is an apocalyptic number.

It is an amenable number.

14155121516 is a deficient number, since it is larger than the sum of its proper divisors (10629051604).

14155121516 is a wasteful number, since it uses less digits than its factorization.

14155121516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815784 (or 1815782 counting only the distinct ones).

The product of its digits is 6000, while the sum is 32.

Adding to 14155121516 its reverse (61512155141), we get a palindrome (75667276657).

The spelling of 14155121516 in words is "fourteen billion, one hundred fifty-five million, one hundred twenty-one thousand, five hundred sixteen".