11961750892 has 96 divisors (see below), whose sum is σ = 26674565120. Its totient is φ = 4565756160.

The previous prime is 11961750887. The next prime is 11961750929. The reversal of 11961750892 is 29805716911.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4275238 + ... + 4278034.

Almost surely, 2^11961750892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11961750892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13337282560).

11961750892 is an abundant number, since it is smaller than the sum of its proper divisors (14712814228).

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

11961750892 is a wasteful number, since it uses less digits than its factorization.

11961750892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231 (or 3229 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 49.

The spelling of 11961750892 in words is "eleven billion, nine hundred sixty-one million, seven hundred fifty thousand, eight hundred ninety-two".