105451054425281 has 4 divisors (see below), whose sum is σ = 105451100273364. Its totient is φ = 105451008577200.

The previous prime is 105451054425253. The next prime is 105451054425289. The reversal of 105451054425281 is 182524450154501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30908707393600 + 74542347031681 = 5559560^2 + 8633791^2 .

It is a cyclic number.

It is not a de Polignac number, because 105451054425281 - 2¹⁴ = 105451054408897 is a prime.

It is a super-2 number, since 2×105451054425281² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105451054425289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19281050 + ... + 24138371.

It is an arithmetic number, because the mean of its divisors is an integer number (26362775068341).

Almost surely, 2^{105451054425281} is an apocalyptic number.

It is an amenable number.

105451054425281 is a deficient number, since it is larger than the sum of its proper divisors (45848083).

105451054425281 is an equidigital number, since it uses as much as digits as its factorization.

105451054425281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45848082.

The product of its (nonzero) digits is 1280000, while the sum is 47.

The spelling of 105451054425281 in words is "one hundred five trillion, four hundred fifty-one billion, fifty-four million, four hundred twenty-five thousand, two hundred eighty-one".