11305513524 has 12 divisors (see below), whose sum is σ = 26379531584. Its totient is φ = 3768504504.

The previous prime is 11305513511. The next prime is 11305513543. The reversal of 11305513524 is 42531550311.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 11305513491 and 11305513500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471063052 + ... + 471063075.

Almost surely, 2^11305513524 is an apocalyptic number.

It is an amenable number.

11305513524 is an abundant number, since it is smaller than the sum of its proper divisors (15074018060).

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

11305513524 is a wasteful number, since it uses less digits than its factorization.

11305513524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942126134 (or 942126132 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 11305513524 in words is "eleven billion, three hundred five million, five hundred thirteen thousand, five hundred twenty-four".