11812025532 has 48 divisors (see below), whose sum is σ = 27891198720. Its totient is φ = 3890291328.

The previous prime is 11812025509. The next prime is 11812025579. The reversal of 11812025532 is 23552021811.

It is a self number, because there is not a number n which added to its sum of digits gives 11812025532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1901143 + ... + 1907345.

It is an arithmetic number, because the mean of its divisors is an integer number (581066640).

Almost surely, 2^11812025532 is an apocalyptic number.

11812025532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11812025532 is an abundant number, since it is smaller than the sum of its proper divisors (16079173188).

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

11812025532 is a wasteful number, since it uses less digits than its factorization.

11812025532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8082 (or 8080 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 11812025532 in words is "eleven billion, eight hundred twelve million, twenty-five thousand, five hundred thirty-two".