12111037607 has 4 divisors (see below), whose sum is σ = 12111424656. Its totient is φ = 12110650560.

The previous prime is 12111037517. The next prime is 12111037637. The reversal of 12111037607 is 70673011121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70673011121 = 14243 ⋅4961947.

It is a cyclic number.

It is not a de Polignac number, because 12111037607 - 2²⁴ = 12094260391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12111037607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111037637) 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, 142019 + ... + 210692.

It is an arithmetic number, because the mean of its divisors is an integer number (3027856164).

Almost surely, 2^12111037607 is an apocalyptic number.

12111037607 is a deficient number, since it is larger than the sum of its proper divisors (387049).

12111037607 is an equidigital number, since it uses as much as digits as its factorization.

12111037607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387048.

The product of its (nonzero) digits is 1764, while the sum is 29.

Adding to 12111037607 its reverse (70673011121), we get a palindrome (82784048728).

The spelling of 12111037607 in words is "twelve billion, one hundred eleven million, thirty-seven thousand, six hundred seven".