14055115021 has 4 divisors (see below), whose sum is σ = 14200013212. Its totient is φ = 13910216832.

The previous prime is 14055115013. The next prime is 14055115027. The reversal of 14055115021 is 12051155041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10092412521 + 3962702500 = 100461^2 + 62950^2 .

It is a cyclic number.

It is not a de Polignac number, because 14055115021 - 2³ = 14055115013 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 (14055115027) 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, 72448950 + ... + 72449143.

It is an arithmetic number, because the mean of its divisors is an integer number (3550003303).

Almost surely, 2^14055115021 is an apocalyptic number.

It is an amenable number.

14055115021 is a deficient number, since it is larger than the sum of its proper divisors (144898191).

14055115021 is an equidigital number, since it uses as much as digits as its factorization.

14055115021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144898190.

The product of its (nonzero) digits is 1000, while the sum is 25.

The spelling of 14055115021 in words is "fourteen billion, fifty-five million, one hundred fifteen thousand, twenty-one".