1009265069885 has 64 divisors (see below), whose sum is σ = 1316442378240. Its totient is φ = 740882419200.

The previous prime is 1009265069873. The next prime is 1009265069903. The reversal of 1009265069885 is 5889605629001.

It is not a de Polignac number, because 1009265069885 - 2²⁰ = 1009264021309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66448262 + ... + 66463448.

It is an arithmetic number, because the mean of its divisors is an integer number (20569412160).

Almost surely, 2^{1009265069885} is an apocalyptic number.

It is an amenable number.

1009265069885 is a deficient number, since it is larger than the sum of its proper divisors (307177308355).

1009265069885 is a wasteful number, since it uses less digits than its factorization.

1009265069885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15498.

The product of its (nonzero) digits is 9331200, while the sum is 59.

The spelling of 1009265069885 in words is "one trillion, nine billion, two hundred sixty-five million, sixty-nine thousand, eight hundred eighty-five".