12611132551 has 2 divisors, whose sum is σ = 12611132552. Its totient is φ = 12611132550.

The previous prime is 12611132539. The next prime is 12611132563. The reversal of 12611132551 is 15523111621.

It is a balanced prime because it is at equal distance from previous prime (12611132539) and next prime (12611132563).

It is a cyclic number.

It is not a de Polignac number, because 12611132551 - 2⁵ = 12611132519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12611132581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6305566275 + 6305566276.

It is an arithmetic number, because the mean of its divisors is an integer number (6305566276).

Almost surely, 2^12611132551 is an apocalyptic number.

12611132551 is a deficient number, since it is larger than the sum of its proper divisors (1).

12611132551 is an equidigital number, since it uses as much as digits as its factorization.

12611132551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 28.

The spelling of 12611132551 in words is "twelve billion, six hundred eleven million, one hundred thirty-two thousand, five hundred fifty-one".