11539139946240 has 144 divisors (see below), whose sum is σ = 36932730283008. Its totient is φ = 3070457499648.

The previous prime is 11539139946199. The next prime is 11539139946251. The reversal of 11539139946240 is 4264993193511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1467204 + ... + 5023043.

It is an arithmetic number, because the mean of its divisors is an integer number (256477293632).

Almost surely, 2^{11539139946240} is an apocalyptic number.

11539139946240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11539139946240 is an abundant number, since it is smaller than the sum of its proper divisors (25393590336768).

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

11539139946240 is an equidigital number, since it uses as much as digits as its factorization.

11539139946240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490734 (or 6490720 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 57.

The spelling of 11539139946240 in words is "eleven trillion, five hundred thirty-nine billion, one hundred thirty-nine million, nine hundred forty-six thousand, two hundred forty".