14861958320981 has 16 divisors (see below), whose sum is σ = 15064834982400. Its totient is φ = 14659656001728.

The previous prime is 14861958320933. The next prime is 14861958320983. The reversal of 14861958320981 is 18902385916841.

14861958320981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 14861958320981 - 2⁴² = 10463911809877 is a prime.

It is a super-2 number, since 2×14861958320981² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14861958320983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404201660 + ... + 404238426.

It is an arithmetic number, because the mean of its divisors is an integer number (941552186400).

Almost surely, 2^{14861958320981} is an apocalyptic number.

It is an amenable number.

14861958320981 is a deficient number, since it is larger than the sum of its proper divisors (202876661419).

14861958320981 is an equidigital number, since it uses as much as digits as its factorization.

14861958320981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44428.

The product of its (nonzero) digits is 29859840, while the sum is 65.

The spelling of 14861958320981 in words is "fourteen trillion, eight hundred sixty-one billion, nine hundred fifty-eight million, three hundred twenty thousand, nine hundred eighty-one".