14455120356121 has 9 divisors (see below), whose sum is σ = 14495400020829. Its totient is φ = 14414952342336.

The previous prime is 14455120356113. The next prime is 14455120356167. The reversal of 14455120356121 is 12165302155441.

The square root of 14455120356121 is 3801989.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1006031066121 + 13449089290000 = 1003011^2 + 3667300^2 .

It is not a de Polignac number, because 14455120356121 - 2³ = 14455120356113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14455120356221) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1418136801 + ... + 1418146993.

Almost surely, 2^{14455120356121} is an apocalyptic number.

14455120356121 is the 3801989-th square number.

14455120356121 is the 1900995-th centered octagonal number.

It is an amenable number.

14455120356121 is a deficient number, since it is larger than the sum of its proper divisors (40279664708).

14455120356121 is an frugal number, since it uses more digits than its factorization.

14455120356121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21132 (or 10566 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 14455120356121 in words is "fourteen trillion, four hundred fifty-five billion, one hundred twenty million, three hundred fifty-six thousand, one hundred twenty-one".