1265141615316 has 24 divisors (see below), whose sum is σ = 2952015286080. Its totient is φ = 421711274112.

The previous prime is 1265141615303. The next prime is 1265141615389. The reversal of 1265141615316 is 6135161415621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3701505 + ... + 4028823.

It is an arithmetic number, because the mean of its divisors is an integer number (123000636920).

Almost surely, 2^{1265141615316} is an apocalyptic number.

It is an amenable number.

1265141615316 is an abundant number, since it is smaller than the sum of its proper divisors (1686873670764).

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

1265141615316 is a wasteful number, since it uses less digits than its factorization.

1265141615316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649423 (or 649421 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The spelling of 1265141615316 in words is "one trillion, two hundred sixty-five billion, one hundred forty-one million, six hundred fifteen thousand, three hundred sixteen".