11012231047 has 2 divisors, whose sum is σ = 11012231048. Its totient is φ = 11012231046.

The previous prime is 11012231039. The next prime is 11012231093. The reversal of 11012231047 is 74013221011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11012231047 - 2³ = 11012231039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11012231017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506115523 + 5506115524.

It is an arithmetic number, because the mean of its divisors is an integer number (5506115524).

Almost surely, 2^11012231047 is an apocalyptic number.

11012231047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012231047 is an equidigital number, since it uses as much as digits as its factorization.

11012231047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 11012231047 its reverse (74013221011), we get a palindrome (85025452058).

The spelling of 11012231047 in words is "eleven billion, twelve million, two hundred thirty-one thousand, forty-seven".