12158310311 has 16 divisors (see below), whose sum is σ = 14630204160. Its totient is φ = 9870439680.

The previous prime is 12158310287. The next prime is 12158310317. The reversal of 12158310311 is 11301385121.

It is a cyclic number.

It is not a de Polignac number, because 12158310311 - 2¹⁰ = 12158309287 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 (12158310317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675671 + ... + 693431.

It is an arithmetic number, because the mean of its divisors is an integer number (914387760).

Almost surely, 2^12158310311 is an apocalyptic number.

12158310311 is a deficient number, since it is larger than the sum of its proper divisors (2471893849).

12158310311 is a wasteful number, since it uses less digits than its factorization.

12158310311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22934.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 12158310311 its reverse (11301385121), we get a palindrome (23459695432).

The spelling of 12158310311 in words is "twelve billion, one hundred fifty-eight million, three hundred ten thousand, three hundred eleven".