11426251387 has 2 divisors, whose sum is σ = 11426251388. Its totient is φ = 11426251386.

The previous prime is 11426251363. The next prime is 11426251409. The reversal of 11426251387 is 78315262411.

11426251387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11426251387 - 2¹⁹ = 11425727099 is a prime.

It is not a weakly prime, because it can be changed into another prime (11426251687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5713125693 + 5713125694.

It is an arithmetic number, because the mean of its divisors is an integer number (5713125694).

Almost surely, 2^11426251387 is an apocalyptic number.

11426251387 is a deficient number, since it is larger than the sum of its proper divisors (1).

11426251387 is an equidigital number, since it uses as much as digits as its factorization.

11426251387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

It can be divided in two parts, 114262 and 51387, that added together give a square (165649 = 407²).

The spelling of 11426251387 in words is "eleven billion, four hundred twenty-six million, two hundred fifty-one thousand, three hundred eighty-seven".