14556665542 has 4 divisors (see below), whose sum is σ = 21834998316. Its totient is φ = 7278332770.

The previous prime is 14556665509. The next prime is 14556665561. The reversal of 14556665542 is 24556665541.

14556665542 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3639166384 + ... + 3639166387.

It is an arithmetic number, because the mean of its divisors is an integer number (5458749579).

Almost surely, 2^14556665542 is an apocalyptic number.

14556665542 is a deficient number, since it is larger than the sum of its proper divisors (7278332774).

14556665542 is an equidigital number, since it uses as much as digits as its factorization.

14556665542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7278332773.

The product of its digits is 4320000, while the sum is 49.

Subtracting 14556665542 from its reverse (24556665541), we obtain a palindrome (9999999999).

The spelling of 14556665542 in words is "fourteen billion, five hundred fifty-six million, six hundred sixty-five thousand, five hundred forty-two".