561114081 has 16 divisors (see below), whose sum is σ = 906851520. Its totient is φ = 340068960.

The previous prime is 561113999. The next prime is 561114083. The reversal of 561114081 is 180411165.

561114081 is a `hidden beast` number, since 5 + 611 + 1 + 40 + 8 + 1 = 666.

It is not a de Polignac number, because 561114081 - 2⁹ = 561113569 is a prime.

It is a super-2 number, since 2×561114081² = 629698023792949122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (561114083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944340 + ... + 944933.

It is an arithmetic number, because the mean of its divisors is an integer number (56678220).

Almost surely, 2^561114081 is an apocalyptic number.

It is an amenable number.

561114081 is a deficient number, since it is larger than the sum of its proper divisors (345737439).

561114081 is a wasteful number, since it uses less digits than its factorization.

561114081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889293 (or 1889287 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 561114081 is about 23687.8466940328. The cubic root of 561114081 is about 824.8032985595.

The spelling of 561114081 in words is "five hundred sixty-one million, one hundred fourteen thousand, eighty-one".