11851465450 has 48 divisors (see below), whose sum is σ = 24352191360. Its totient is φ = 4255056000.

The previous prime is 11851465427. The next prime is 11851465481. The reversal of 11851465450 is 5456415811.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92931 + ... + 179830.

It is an arithmetic number, because the mean of its divisors is an integer number (507337320).

Almost surely, 2^11851465450 is an apocalyptic number.

11851465450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11851465450 is an abundant number, since it is smaller than the sum of its proper divisors (12500725910).

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

11851465450 is a wasteful number, since it uses less digits than its factorization.

11851465450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272863 (or 272858 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 40.

The spelling of 11851465450 in words is "eleven billion, eight hundred fifty-one million, four hundred sixty-five thousand, four hundred fifty".