14120235661 has 4 divisors (see below), whose sum is σ = 16137412192. Its totient is φ = 12103059132.

The previous prime is 14120235641. The next prime is 14120235677. The reversal of 14120235661 is 16653202141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16653202141 = 23 ⋅724052267.

It is a cyclic number.

It is not a de Polignac number, because 14120235661 - 2⁷ = 14120235533 is a prime.

It is a super-3 number, since 3×14120235661³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14120235641) 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, 1008588255 + ... + 1008588268.

It is an arithmetic number, because the mean of its divisors is an integer number (4034353048).

Almost surely, 2^14120235661 is an apocalyptic number.

It is an amenable number.

14120235661 is a deficient number, since it is larger than the sum of its proper divisors (2017176531).

14120235661 is an equidigital number, since it uses as much as digits as its factorization.

14120235661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017176530.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 14120235661 in words is "fourteen billion, one hundred twenty million, two hundred thirty-five thousand, six hundred sixty-one".