11446147231 has 2 divisors, whose sum is σ = 11446147232. Its totient is φ = 11446147230.

The previous prime is 11446147183. The next prime is 11446147241. The reversal of 11446147231 is 13274164411.

It is a strong prime.

It is an emirp because it is prime and its reverse (13274164411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11446147231 - 2¹³ = 11446139039 is a prime.

It is a super-2 number, since 2×11446147231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11446147241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5723073615 + 5723073616.

It is an arithmetic number, because the mean of its divisors is an integer number (5723073616).

Almost surely, 2^11446147231 is an apocalyptic number.

11446147231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11446147231 is an equidigital number, since it uses as much as digits as its factorization.

11446147231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The spelling of 11446147231 in words is "eleven billion, four hundred forty-six million, one hundred forty-seven thousand, two hundred thirty-one".