11305064431 has 12 divisors (see below), whose sum is σ = 11477542000. Its totient is φ = 11134886400.

The previous prime is 11305064423. The next prime is 11305064437. The reversal of 11305064431 is 13446050311.

It is not a de Polignac number, because 11305064431 - 2³ = 11305064423 is a prime.

It is a super-2 number, since 2×11305064431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11305064431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11305064437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2027215 + ... + 2032783.

Almost surely, 2^11305064431 is an apocalyptic number.

11305064431 is a deficient number, since it is larger than the sum of its proper divisors (172477569).

11305064431 is an equidigital number, since it uses as much as digits as its factorization.

11305064431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5970 (or 5869 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 11305064431 in words is "eleven billion, three hundred five million, sixty-four thousand, four hundred thirty-one".