1265922555160 has 32 divisors (see below), whose sum is σ = 2848905237600. Its totient is φ = 506266001920.

The previous prime is 1265922555133. The next prime is 1265922555173. The reversal of 1265922555160 is 615552295621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3020161 + ... + 3413680.

It is an arithmetic number, because the mean of its divisors is an integer number (89028288675).

Almost surely, 2^{1265922555160} is an apocalyptic number.

1265922555160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1265922555160 is an abundant number, since it is smaller than the sum of its proper divisors (1582982682440).

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

1265922555160 is a wasteful number, since it uses less digits than its factorization.

1265922555160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6438771 (or 6438767 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 49.

The spelling of 1265922555160 in words is "one trillion, two hundred sixty-five billion, nine hundred twenty-two million, five hundred fifty-five thousand, one hundred sixty".