11256427739 has 2 divisors, whose sum is σ = 11256427740. Its totient is φ = 11256427738.

The previous prime is 11256427687. The next prime is 11256427747. The reversal of 11256427739 is 93772465211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11256427739 - 2¹² = 11256423643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11256427693 and 11256427702.

It is not a weakly prime, because it can be changed into another prime (11256427339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5628213869 + 5628213870.

It is an arithmetic number, because the mean of its divisors is an integer number (5628213870).

Almost surely, 2^11256427739 is an apocalyptic number.

11256427739 is a deficient number, since it is larger than the sum of its proper divisors (1).

11256427739 is an equidigital number, since it uses as much as digits as its factorization.

11256427739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 47.

The spelling of 11256427739 in words is "eleven billion, two hundred fifty-six million, four hundred twenty-seven thousand, seven hundred thirty-nine".