12551122512311 has 2 divisors, whose sum is σ = 12551122512312. Its totient is φ = 12551122512310.

The previous prime is 12551122512293. The next prime is 12551122512329. The reversal of 12551122512311 is 11321522115521.

It is a balanced prime because it is at equal distance from previous prime (12551122512293) and next prime (12551122512329).

It is a cyclic number.

It is not a de Polignac number, because 12551122512311 - 2¹⁸ = 12551122250167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12551122511311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6275561256155 + 6275561256156.

It is an arithmetic number, because the mean of its divisors is an integer number (6275561256156).

Almost surely, 2^{12551122512311} is an apocalyptic number.

12551122512311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12551122512311 is an equidigital number, since it uses as much as digits as its factorization.

12551122512311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 32.

Adding to 12551122512311 its reverse (11321522115521), we get a palindrome (23872644627832).

The spelling of 12551122512311 in words is "twelve trillion, five hundred fifty-one billion, one hundred twenty-two million, five hundred twelve thousand, three hundred eleven".