1042566266263 has 8 divisors (see below), whose sum is σ = 1046723757120. Its totient is φ = 1038410863200.

The previous prime is 1042566266243. The next prime is 1042566266317. The reversal of 1042566266263 is 3626626652401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042566266263 is a prime.

It is a super-2 number, since 2×1042566266263² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042566266243) 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, 482613 + ... + 1522513.

It is an arithmetic number, because the mean of its divisors is an integer number (130840469640).

Almost surely, 2^{1042566266263} is an apocalyptic number.

1042566266263 is a deficient number, since it is larger than the sum of its proper divisors (4157490857).

1042566266263 is a wasteful number, since it uses less digits than its factorization.

1042566266263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043897.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 1042566266263 in words is "one trillion, forty-two billion, five hundred sixty-six million, two hundred sixty-six thousand, two hundred sixty-three".