11451145146161 has 8 divisors (see below), whose sum is σ = 13087530499200. Its totient is φ = 9814886661888.

The previous prime is 11451145146149. The next prime is 11451145146191. The reversal of 11451145146161 is 16164154115411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11451145146161 - 2³⁴ = 11433965276977 is a prime.

It is a super-2 number, since 2×11451145146161² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11451145146121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31523696 + ... + 31884881.

It is an arithmetic number, because the mean of its divisors is an integer number (1635941312400).

Almost surely, 2^{11451145146161} is an apocalyptic number.

It is an amenable number.

11451145146161 is a deficient number, since it is larger than the sum of its proper divisors (1636385353039).

11451145146161 is an equidigital number, since it uses as much as digits as its factorization.

11451145146161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63434383.

The product of its digits is 57600, while the sum is 41.

The spelling of 11451145146161 in words is "eleven trillion, four hundred fifty-one billion, one hundred forty-five million, one hundred forty-six thousand, one hundred sixty-one".