11343239985 has 48 divisors (see below), whose sum is σ = 22799000448. Its totient is φ = 4714068480.

The previous prime is 11343239939. The next prime is 11343240011. The reversal of 11343239985 is 58993234311.

It is not a de Polignac number, because 11343239985 - 2¹⁶ = 11343174449 is a prime.

It is a Curzon number.

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, 433704 + ... + 459113.

It is an arithmetic number, because the mean of its divisors is an integer number (474979176).

Almost surely, 2^11343239985 is an apocalyptic number.

11343239985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11343239985 is an abundant number, since it is smaller than the sum of its proper divisors (11455760463).

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

11343239985 is a wasteful number, since it uses less digits than its factorization.

11343239985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892854 (or 892843 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The spelling of 11343239985 in words is "eleven billion, three hundred forty-three million, two hundred thirty-nine thousand, nine hundred eighty-five".