2251461055281 has 8 divisors (see below), whose sum is σ = 3001997142144. Its totient is φ = 1500949502640.

The previous prime is 2251461055279. The next prime is 2251461055307. The reversal of 2251461055281 is 1825501641522.

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

It is not a de Polignac number, because 2251461055281 - 2¹ = 2251461055279 is a prime.

It is a super-2 number, since 2×2251461055281² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2251461055201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5918350 + ... + 6287271.

It is an arithmetic number, because the mean of its divisors is an integer number (375249642768).

Almost surely, 2^{2251461055281} is an apocalyptic number.

It is an amenable number.

2251461055281 is a deficient number, since it is larger than the sum of its proper divisors (750536086863).

2251461055281 is a wasteful number, since it uses less digits than its factorization.

2251461055281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12267111.

The product of its (nonzero) digits is 192000, while the sum is 42.

The spelling of 2251461055281 in words is "two trillion, two hundred fifty-one billion, four hundred sixty-one million, fifty-five thousand, two hundred eighty-one".