11909985414 has 16 divisors (see below), whose sum is σ = 23821198320. Its totient is φ = 3969790560.

The previous prime is 11909985407. The next prime is 11909985457. The reversal of 11909985414 is 41458990911.

It is a happy number.

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, 118044 + ... + 194304.

It is an arithmetic number, because the mean of its divisors is an integer number (1488824895).

Almost surely, 2^11909985414 is an apocalyptic number.

11909985414 is an abundant number, since it is smaller than the sum of its proper divisors (11911212906).

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

11909985414 is a wasteful number, since it uses less digits than its factorization.

11909985414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102295.

The product of its (nonzero) digits is 466560, while the sum is 51.

The spelling of 11909985414 in words is "eleven billion, nine hundred nine million, nine hundred eighty-five thousand, four hundred fourteen".