11755265213 has 4 divisors (see below), whose sum is σ = 12446751420. Its totient is φ = 11063779008.

The previous prime is 11755265189. The next prime is 11755265233. The reversal of 11755265213 is 31256255711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8139287524 + 3615977689 = 90218^2 + 60133^2 .

It is a cyclic number.

It is not a de Polignac number, because 11755265213 - 2⁶ = 11755265149 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 (11755265233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345743078 + ... + 345743111.

It is an arithmetic number, because the mean of its divisors is an integer number (3111687855).

Almost surely, 2^11755265213 is an apocalyptic number.

It is an amenable number.

11755265213 is a deficient number, since it is larger than the sum of its proper divisors (691486207).

11755265213 is an equidigital number, since it uses as much as digits as its factorization.

11755265213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691486206.

The product of its digits is 63000, while the sum is 38.

The spelling of 11755265213 in words is "eleven billion, seven hundred fifty-five million, two hundred sixty-five thousand, two hundred thirteen".