11901550000 has 60 divisors (see below), whose sum is σ = 28822342752. Its totient is φ = 4760600000.

The previous prime is 11901549983. The next prime is 11901550013. The reversal of 11901550000 is 5510911.

11901550000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69016 + ... + 169015.

Almost surely, 2^11901550000 is an apocalyptic number.

11901550000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11901550000 is an abundant number, since it is smaller than the sum of its proper divisors (16920792752).

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

11901550000 is an frugal number, since it uses more digits than its factorization.

11901550000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238064 (or 238038 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 22.

The spelling of 11901550000 in words is "eleven billion, nine hundred one million, five hundred fifty thousand".