1009266841775 has 12 divisors (see below), whose sum is σ = 1268634596832. Its totient is φ = 796353013440.

The previous prime is 1009266841769. The next prime is 1009266841787. The reversal of 1009266841775 is 5771486629001.

It is a happy number.

It is not a de Polignac number, because 1009266841775 - 2²⁸ = 1008998406319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1009266841775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 276509639 + ... + 276513288.

It is an arithmetic number, because the mean of its divisors is an integer number (105719549736).

Almost surely, 2^{1009266841775} is an apocalyptic number.

1009266841775 is a deficient number, since it is larger than the sum of its proper divisors (259367755057).

1009266841775 is an equidigital number, since it uses as much as digits as its factorization.

1009266841775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553023010 (or 553023005 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 1009266841775 in words is "one trillion, nine billion, two hundred sixty-six million, eight hundred forty-one thousand, seven hundred seventy-five".