14115541447 has 4 divisors (see below), whose sum is σ = 16132047376. Its totient is φ = 12099035520.

The previous prime is 14115541409. The next prime is 14115541481. The reversal of 14115541447 is 74414551141.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 14115541447 - 2³¹ = 11968057799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14115541247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008252954 + ... + 1008252967.

It is an arithmetic number, because the mean of its divisors is an integer number (4033011844).

Almost surely, 2^14115541447 is an apocalyptic number.

14115541447 is a deficient number, since it is larger than the sum of its proper divisors (2016505929).

14115541447 is an equidigital number, since it uses as much as digits as its factorization.

14115541447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016505928.

The product of its digits is 44800, while the sum is 37.

The spelling of 14115541447 in words is "fourteen billion, one hundred fifteen million, five hundred forty-one thousand, four hundred forty-seven".