2287751281481 has 8 divisors (see below), whose sum is σ = 2422344592800. Its totient is φ = 2153160159808.

The previous prime is 2287751281471. The next prime is 2287751281537. The reversal of 2287751281481 is 1841821577822.

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

It is a cyclic number.

It is not a de Polignac number, because 2287751281481 - 2¹⁰ = 2287751280457 is a prime.

It is a super-2 number, since 2×2287751281481² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2287751281411) 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, 1921970 + ... + 2875668.

It is an arithmetic number, because the mean of its divisors is an integer number (302793074100).

Almost surely, 2^{2287751281481} is an apocalyptic number.

It is an amenable number.

2287751281481 is a deficient number, since it is larger than the sum of its proper divisors (134593311319).

2287751281481 is a wasteful number, since it uses less digits than its factorization.

2287751281481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094823.

The product of its digits is 4014080, while the sum is 56.

The spelling of 2287751281481 in words is "two trillion, two hundred eighty-seven billion, seven hundred fifty-one million, two hundred eighty-one thousand, four hundred eighty-one".