11451454216161 has 16 divisors (see below), whose sum is σ = 15280766641728. Its totient is φ = 7628224217600.

The previous prime is 11451454216087. The next prime is 11451454216183. The reversal of 11451454216161 is 16161245415411.

It is a cyclic number.

It is not a de Polignac number, because 11451454216161 - 2¹⁰ = 11451454215137 is a prime.

It is a super-2 number, since 2×11451454216161² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11451454216361) 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, 23983225 + ... + 24456041.

It is an arithmetic number, because the mean of its divisors is an integer number (955047915108).

Almost surely, 2^{11451454216161} is an apocalyptic number.

It is an amenable number.

11451454216161 is a deficient number, since it is larger than the sum of its proper divisors (3829312425567).

11451454216161 is a wasteful number, since it uses less digits than its factorization.

11451454216161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479232.

The product of its digits is 115200, while the sum is 42.

The spelling of 11451454216161 in words is "eleven trillion, four hundred fifty-one billion, four hundred fifty-four million, two hundred sixteen thousand, one hundred sixty-one".