11919450460 has 24 divisors (see below), whose sum is σ = 25273868256. Its totient is φ = 4721490240.

The previous prime is 11919450451. The next prime is 11919450479. The reversal of 11919450460 is 6405491911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2891011 + ... + 2895130.

It is an arithmetic number, because the mean of its divisors is an integer number (1053077844).

Almost surely, 2^11919450460 is an apocalyptic number.

11919450460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11919450460 is an abundant number, since it is smaller than the sum of its proper divisors (13354417796).

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

11919450460 is a wasteful number, since it uses less digits than its factorization.

11919450460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5786253 (or 5786251 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 11919450460 in words is "eleven billion, nine hundred nineteen million, four hundred fifty thousand, four hundred sixty".