14155501059561 has 12 divisors (see below), whose sum is σ = 19730288813648. Its totient is φ = 9026696326824.

The previous prime is 14155501059533. The next prime is 14155501059569. The reversal of 14155501059561 is 16595010555141.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-14155501059561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14155501059561.

It is not an unprimeable number, because it can be changed into a prime (14155501059569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4459828615 + ... + 4459831788.

Almost surely, 2^{14155501059561} is an apocalyptic number.

It is an amenable number.

14155501059561 is a deficient number, since it is larger than the sum of its proper divisors (5574787754087).

14155501059561 is an equidigital number, since it uses as much as digits as its factorization.

14155501059561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8919660452 (or 8919660429 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 48.

The spelling of 14155501059561 in words is "fourteen trillion, one hundred fifty-five billion, five hundred one million, fifty-nine thousand, five hundred sixty-one".