14011323521 has 8 divisors (see below), whose sum is σ = 15093246504. Its totient is φ = 12929990400.

The previous prime is 14011323511. The next prime is 14011323593. The reversal of 14011323521 is 12532311041.

It can be written as a sum of positive squares in 4 ways, for example, as 1222201600 + 12789121921 = 34960^2 + 113089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14011323521 - 2¹⁴ = 14011307137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14011323511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97496 + ... + 193721.

It is an arithmetic number, because the mean of its divisors is an integer number (1886655813).

Almost surely, 2^14011323521 is an apocalyptic number.

It is an amenable number.

14011323521 is a deficient number, since it is larger than the sum of its proper divisors (1081922983).

14011323521 is a wasteful number, since it uses less digits than its factorization.

14011323521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294931.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 14011323521 its reverse (12532311041), we get a palindrome (26543634562).

The spelling of 14011323521 in words is "fourteen billion, eleven million, three hundred twenty-three thousand, five hundred twenty-one".