12555501311 has 2 divisors, whose sum is σ = 12555501312. Its totient is φ = 12555501310.

The previous prime is 12555501293. The next prime is 12555501341. The reversal of 12555501311 is 11310555521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12555501311 is a prime.

It is a super-2 number, since 2×12555501311² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12555501341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6277750655 + 6277750656.

It is an arithmetic number, because the mean of its divisors is an integer number (6277750656).

Almost surely, 2^12555501311 is an apocalyptic number.

12555501311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12555501311 is an equidigital number, since it uses as much as digits as its factorization.

12555501311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 12555501311 in words is "twelve billion, five hundred fifty-five million, five hundred one thousand, three hundred eleven".