2665112281 has 8 divisors (see below), whose sum is σ = 2994909120. Its totient is φ = 2353142352.

The previous prime is 2665112279. The next prime is 2665112353. The reversal of 2665112281 is 1822115662.

It is a happy number.

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 2665112281 - 2¹ = 2665112279 is a prime.

It is a super-2 number, since 2×2665112281² = 14205646940674045922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2665112221) 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, 4456411 + ... + 4457008.

It is an arithmetic number, because the mean of its divisors is an integer number (374363640).

Almost surely, 2^2665112281 is an apocalyptic number.

It is an amenable number.

2665112281 is a deficient number, since it is larger than the sum of its proper divisors (329796839).

2665112281 is a wasteful number, since it uses less digits than its factorization.

2665112281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8913455.

The product of its digits is 11520, while the sum is 34.

The square root of 2665112281 is about 51624.7254811103. The cubic root of 2665112281 is about 1386.4530586264.

The spelling of 2665112281 in words is "two billion, six hundred sixty-five million, one hundred twelve thousand, two hundred eighty-one".