1265808268304 has 40 divisors (see below), whose sum is σ = 2618913688320. Its totient is φ = 591367593600.

The previous prime is 1265808268303. The next prime is 1265808268331. The reversal of 1265808268304 is 4038628085621.

It is not an unprimeable number, because it can be changed into a prime (1265808268303) 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, 43986182 + ... + 44014949.

It is an arithmetic number, because the mean of its divisors is an integer number (65472842208).

Almost surely, 2^{1265808268304} is an apocalyptic number.

It is an amenable number.

1265808268304 is an abundant number, since it is smaller than the sum of its proper divisors (1353105420016).

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

1265808268304 is a wasteful number, since it uses less digits than its factorization.

1265808268304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88001199 (or 88001193 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 1265808268304 in words is "one trillion, two hundred sixty-five billion, eight hundred eight million, two hundred sixty-eight thousand, three hundred four".