11478437850 has 96 divisors (see below), whose sum is σ = 31893869376. Its totient is φ = 2707430400.

The previous prime is 11478437849. The next prime is 11478437863. The reversal of 11478437850 is 5873487411.

It is a self number, because there is not a number n which added to its sum of digits gives 11478437850.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32959 + ... + 155058.

It is an arithmetic number, because the mean of its divisors is an integer number (332227806).

Almost surely, 2^11478437850 is an apocalyptic number.

11478437850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11478437850 is an abundant number, since it is smaller than the sum of its proper divisors (20415431526).

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

11478437850 is a wasteful number, since it uses less digits than its factorization.

11478437850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188080 (or 188075 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 11478437850 in words is "eleven billion, four hundred seventy-eight million, four hundred thirty-seven thousand, eight hundred fifty".