12111045850031 has 2 divisors, whose sum is σ = 12111045850032. Its totient is φ = 12111045850030.

The previous prime is 12111045850027. The next prime is 12111045850049. The reversal of 12111045850031 is 13005854011121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12111045850031 - 2² = 12111045850027 is a prime.

It is a super-2 number, since 2×12111045850031² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12111045850031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12111045850091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055522925015 + 6055522925016.

It is an arithmetic number, because the mean of its divisors is an integer number (6055522925016).

Almost surely, 2^{12111045850031} is an apocalyptic number.

12111045850031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111045850031 is an equidigital number, since it uses as much as digits as its factorization.

12111045850031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 32.

Adding to 12111045850031 its reverse (13005854011121), we get a palindrome (25116899861152).

The spelling of 12111045850031 in words is "twelve trillion, one hundred eleven billion, forty-five million, eight hundred fifty thousand, thirty-one".