566235814021261 has 8 divisors (see below), whose sum is σ = 593504335388160. Its totient is φ = 539188090398672.

The previous prime is 566235814021247. The next prime is 566235814021301. The reversal of 566235814021261 is 162120418532665.

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 566235814021261 - 2¹⁷ = 566235813890189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 566235814021199 and 566235814021208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566235814021231) 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, 55199430826 + ... + 55199441083.

It is an arithmetic number, because the mean of its divisors is an integer number (74188041923520).

Almost surely, 2^{566235814021261} is an apocalyptic number.

It is an amenable number.

566235814021261 is a deficient number, since it is larger than the sum of its proper divisors (27268521366899).

566235814021261 is a wasteful number, since it uses less digits than its factorization.

566235814021261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110398872155.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 566235814021261 in words is "five hundred sixty-six trillion, two hundred thirty-five billion, eight hundred fourteen million, twenty-one thousand, two hundred sixty-one".