11305213542 has 24 divisors (see below), whose sum is σ = 27993862416. Its totient is φ = 3230060976.

The previous prime is 11305213531. The next prime is 11305213609. The reversal of 11305213542 is 24531250311.

11305213542 is a `hidden beast` number, since 1 + 1 + 305 + 2 + 1 + 354 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44861833 + ... + 44862084.

It is an arithmetic number, because the mean of its divisors is an integer number (1166410934).

Almost surely, 2^11305213542 is an apocalyptic number.

11305213542 is an abundant number, since it is smaller than the sum of its proper divisors (16688648874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11305213542 is a wasteful number, since it uses less digits than its factorization.

11305213542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89723932 (or 89723929 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 11305213542 its reverse (24531250311), we get a palindrome (35836463853).

The spelling of 11305213542 in words is "eleven billion, three hundred five million, two hundred thirteen thousand, five hundred forty-two".