12161703311 has 8 divisors (see below), whose sum is σ = 12233099424. Its totient is φ = 12090353760.

The previous prime is 12161703227. The next prime is 12161703361. The reversal of 12161703311 is 11330716121.

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-12161703311 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 (12161703361) 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, 607910 + ... + 627596.

It is an arithmetic number, because the mean of its divisors is an integer number (1529137428).

Almost surely, 2^12161703311 is an apocalyptic number.

12161703311 is a deficient number, since it is larger than the sum of its proper divisors (71396113).

12161703311 is a wasteful number, since it uses less digits than its factorization.

12161703311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23281.

The product of its (nonzero) digits is 756, while the sum is 26.

The spelling of 12161703311 in words is "twelve billion, one hundred sixty-one million, seven hundred three thousand, three hundred eleven".