12110011157 has 2 divisors, whose sum is σ = 12110011158. Its totient is φ = 12110011156.

The previous prime is 12110011097. The next prime is 12110011223. The reversal of 12110011157 is 75111001121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11566142116 + 543869041 = 107546^2 + 23321^2 .

It is a cyclic number.

It is not a de Polignac number, because 12110011157 - 2¹² = 12110007061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12110011757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055005578 + 6055005579.

It is an arithmetic number, because the mean of its divisors is an integer number (6055005579).

Almost surely, 2^12110011157 is an apocalyptic number.

It is an amenable number.

12110011157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12110011157 is an equidigital number, since it uses as much as digits as its factorization.

12110011157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 20.

Adding to 12110011157 its reverse (75111001121), we get a palindrome (87221012278).

The spelling of 12110011157 in words is "twelve billion, one hundred ten million, eleven thousand, one hundred fifty-seven".