1265260751260 has 48 divisors (see below), whose sum is σ = 2899461472992. Its totient is φ = 459957657600.

The previous prime is 1265260751257. The next prime is 1265260751273. The reversal of 1265260751260 is 621570625621.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116157 + ... + 1594996.

It is an arithmetic number, because the mean of its divisors is an integer number (60405447354).

Almost surely, 2^{1265260751260} is an apocalyptic number.

1265260751260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1265260751260 is an abundant number, since it is smaller than the sum of its proper divisors (1634200721732).

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

1265260751260 is a wasteful number, since it uses less digits than its factorization.

1265260751260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714534 (or 1714532 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 1265260751260 in words is "one trillion, two hundred sixty-five billion, two hundred sixty million, seven hundred fifty-one thousand, two hundred sixty".