1265411265213 has 8 divisors (see below), whose sum is σ = 1699353258400. Its totient is φ = 837538391088.

The previous prime is 1265411265211. The next prime is 1265411265257. The reversal of 1265411265213 is 3125621145621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1265411265213 - 2¹ = 1265411265211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265411265211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517279278 + ... + 1517280111.

It is an arithmetic number, because the mean of its divisors is an integer number (212419157300).

Almost surely, 2^{1265411265213} is an apocalyptic number.

It is an amenable number.

1265411265213 is a deficient number, since it is larger than the sum of its proper divisors (433941993187).

1265411265213 is a wasteful number, since it uses less digits than its factorization.

1265411265213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034559531.

The product of its digits is 86400, while the sum is 39.

The spelling of 1265411265213 in words is "one trillion, two hundred sixty-five billion, four hundred eleven million, two hundred sixty-five thousand, two hundred thirteen".