14020571261 has 4 divisors (see below), whose sum is σ = 14035284252. Its totient is φ = 14005858272.

The previous prime is 14020571249. The next prime is 14020571263. The reversal of 14020571261 is 16217502041.

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 6192745636 + 7827825625 = 78694^2 + 88475^2 .

It is a cyclic number.

It is not a de Polignac number, because 14020571261 - 2³⁰ = 12946829437 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 (14020571263) 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, 7355066 + ... + 7356971.

It is an arithmetic number, because the mean of its divisors is an integer number (3508821063).

Almost surely, 2^14020571261 is an apocalyptic number.

It is an amenable number.

14020571261 is a deficient number, since it is larger than the sum of its proper divisors (14712991).

14020571261 is an equidigital number, since it uses as much as digits as its factorization.

14020571261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14712990.

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 14020571261 in words is "fourteen billion, twenty million, five hundred seventy-one thousand, two hundred sixty-one".