11210009947 has 2 divisors, whose sum is σ = 11210009948. Its totient is φ = 11210009946.

The previous prime is 11210009911. The next prime is 11210009953. The reversal of 11210009947 is 74990001211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11210009947 - 2²⁷ = 11075792219 is a prime.

It is not a weakly prime, because it can be changed into another prime (11210009977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605004973 + 5605004974.

It is an arithmetic number, because the mean of its divisors is an integer number (5605004974).

Almost surely, 2^11210009947 is an apocalyptic number.

11210009947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210009947 is an equidigital number, since it uses as much as digits as its factorization.

11210009947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 11210009947 in words is "eleven billion, two hundred ten million, nine thousand, nine hundred forty-seven".