14978910556 has 6 divisors (see below), whose sum is σ = 26213093480. Its totient is φ = 7489455276.

The previous prime is 14978910539. The next prime is 14978910593. The reversal of 14978910556 is 65501987941.

It is a happy number.

It is a super-2 number, since 2×14978910556² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14978910497 and 14978910506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1872363816 + ... + 1872363823.

Almost surely, 2^14978910556 is an apocalyptic number.

It is an amenable number.

14978910556 is a deficient number, since it is larger than the sum of its proper divisors (11234182924).

14978910556 is a wasteful number, since it uses less digits than its factorization.

14978910556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744727643 (or 3744727641 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 14978910556 in words is "fourteen billion, nine hundred seventy-eight million, nine hundred ten thousand, five hundred fifty-six".