14555520243 has 24 divisors (see below), whose sum is σ = 23555868336. Its totient is φ = 8583105600.

The previous prime is 14555520233. The next prime is 14555520251. The reversal of 14555520243 is 34202555541.

14555520243 is a `hidden beast` number, since 1 + 45 + 55 + 520 + 2 + 43 = 666.

It is not a de Polignac number, because 14555520243 - 2⁴ = 14555520227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14555520198 and 14555520207.

It is not an unprimeable number, because it can be changed into a prime (14555520233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1983168 + ... + 1990493.

It is an arithmetic number, because the mean of its divisors is an integer number (981494514).

Almost surely, 2^14555520243 is an apocalyptic number.

14555520243 is a deficient number, since it is larger than the sum of its proper divisors (9000348093).

14555520243 is a wasteful number, since it uses less digits than its factorization.

14555520243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973715 (or 3973712 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 14555520243 in words is "fourteen billion, five hundred fifty-five million, five hundred twenty thousand, two hundred forty-three".