11256427747 has 2 divisors, whose sum is σ = 11256427748. Its totient is φ = 11256427746.

The previous prime is 11256427739. The next prime is 11256427771. The reversal of 11256427747 is 74772465211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11256427747 - 2³ = 11256427739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11256427697 and 11256427706.

It is not a weakly prime, because it can be changed into another prime (11253427747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5628213873 + 5628213874.

It is an arithmetic number, because the mean of its divisors is an integer number (5628213874).

Almost surely, 2^11256427747 is an apocalyptic number.

11256427747 is a deficient number, since it is larger than the sum of its proper divisors (1).

11256427747 is an equidigital number, since it uses as much as digits as its factorization.

11256427747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658560, while the sum is 46.

The spelling of 11256427747 in words is "eleven billion, two hundred fifty-six million, four hundred twenty-seven thousand, seven hundred forty-seven".