12550623511 has 2 divisors, whose sum is σ = 12550623512. Its totient is φ = 12550623510.

The previous prime is 12550623493. The next prime is 12550623539. The reversal of 12550623511 is 11532605521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12550623511 - 2⁵ = 12550623479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12550623571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6275311755 + 6275311756.

It is an arithmetic number, because the mean of its divisors is an integer number (6275311756).

Almost surely, 2^12550623511 is an apocalyptic number.

12550623511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12550623511 is an equidigital number, since it uses as much as digits as its factorization.

12550623511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 12550623511 in words is "twelve billion, five hundred fifty million, six hundred twenty-three thousand, five hundred eleven".