42811252566 has 16 divisors (see below), whose sum is σ = 85626072000. Its totient is φ = 14269823048.

The previous prime is 42811252559. The next prime is 42811252567. The reversal of 42811252566 is 66525211824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42811252567) 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, 22585 + ... + 293483.

It is an arithmetic number, because the mean of its divisors is an integer number (5351629500).

Almost surely, 2^42811252566 is an apocalyptic number.

42811252566 is an abundant number, since it is smaller than the sum of its proper divisors (42814819434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42811252566 is a wasteful number, since it uses less digits than its factorization.

42811252566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297243.

The product of its digits is 230400, while the sum is 42.

The spelling of 42811252566 in words is "forty-two billion, eight hundred eleven million, two hundred fifty-two thousand, five hundred sixty-six".