11454121512139 has 2 divisors, whose sum is σ = 11454121512140. Its totient is φ = 11454121512138.

The previous prime is 11454121512121. The next prime is 11454121512161. The reversal of 11454121512139 is 93121512145411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11454121512139 - 2⁵ = 11454121512107 is a prime.

It is a super-3 number, since 3×11454121512139³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (11454121512109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727060756069 + 5727060756070.

It is an arithmetic number, because the mean of its divisors is an integer number (5727060756070).

Almost surely, 2^{11454121512139} is an apocalyptic number.

11454121512139 is a deficient number, since it is larger than the sum of its proper divisors (1).

11454121512139 is an equidigital number, since it uses as much as digits as its factorization.

11454121512139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 40.

The spelling of 11454121512139 in words is "eleven trillion, four hundred fifty-four billion, one hundred twenty-one million, five hundred twelve thousand, one hundred thirty-nine".