14427287155 has 4 divisors (see below), whose sum is σ = 17312744592. Its totient is φ = 11541829720.

The previous prime is 14427287089. The next prime is 14427287209. The reversal of 14427287155 is 55178272441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55178272441 = 8443 ⋅6535387.

It is not a de Polignac number, because 14427287155 - 2¹³ = 14427278963 is a prime.

It is a super-2 number, since 2×14427287155² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442728711 + ... + 1442728720.

It is an arithmetic number, because the mean of its divisors is an integer number (4328186148).

Almost surely, 2^14427287155 is an apocalyptic number.

14427287155 is a deficient number, since it is larger than the sum of its proper divisors (2885457437).

14427287155 is an equidigital number, since it uses as much as digits as its factorization.

14427287155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885457436.

The product of its digits is 627200, while the sum is 46.

The spelling of 14427287155 in words is "fourteen billion, four hundred twenty-seven million, two hundred eighty-seven thousand, one hundred fifty-five".