11545412508 has 108 divisors (see below), whose sum is σ = 33612410832. Its totient is φ = 3273269760.

The previous prime is 11545412479. The next prime is 11545412513. The reversal of 11545412508 is 80521454511.

11545412508 is a `hidden beast` number, since 11 + 54 + 541 + 2 + 50 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4728568 + ... + 4731008.

Almost surely, 2^11545412508 is an apocalyptic number.

11545412508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11545412508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16806205416).

11545412508 is an abundant number, since it is smaller than the sum of its proper divisors (22066998324).

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

11545412508 is a wasteful number, since it uses less digits than its factorization.

11545412508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732 (or 2590 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The spelling of 11545412508 in words is "eleven billion, five hundred forty-five million, four hundred twelve thousand, five hundred eight".