11855034732 has 12 divisors (see below), whose sum is σ = 27661747736. Its totient is φ = 3951678240.

The previous prime is 11855034731. The next prime is 11855034733. The reversal of 11855034732 is 23743055811.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11855034731) and next prime (11855034733).

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

It is not an unprimeable number, because it can be changed into a prime (11855034731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493959769 + ... + 493959792.

Almost surely, 2^11855034732 is an apocalyptic number.

11855034732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11855034732 is an abundant number, since it is smaller than the sum of its proper divisors (15806713004).

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

11855034732 is a wasteful number, since it uses less digits than its factorization.

11855034732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987919568 (or 987919566 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 11855034732 in words is "eleven billion, eight hundred fifty-five million, thirty-four thousand, seven hundred thirty-two".