11505612343 has 8 divisors (see below), whose sum is σ = 11554973136. Its totient is φ = 11456280000.

The previous prime is 11505612323. The next prime is 11505612401. The reversal of 11505612343 is 34321650511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11505612343 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 (11505612323) 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, 1316155 + ... + 1324867.

It is an arithmetic number, because the mean of its divisors is an integer number (1444371642).

Almost surely, 2^11505612343 is an apocalyptic number.

11505612343 is a deficient number, since it is larger than the sum of its proper divisors (49360793).

11505612343 is an equidigital number, since it uses as much as digits as its factorization.

11505612343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14225.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 11505612343 in words is "eleven billion, five hundred five million, six hundred twelve thousand, three hundred forty-three".