11739380640 has 96 divisors (see below), whose sum is σ = 39823612416. Its totient is φ = 2889692160.

The previous prime is 11739380623. The next prime is 11739380663. The reversal of 11739380640 is 4608393711.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 11739380592 and 11739380601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 934416 + ... + 946895.

It is an arithmetic number, because the mean of its divisors is an integer number (414829296).

Almost surely, 2^11739380640 is an apocalyptic number.

11739380640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11739380640 is an abundant number, since it is smaller than the sum of its proper divisors (28084231776).

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

11739380640 is a wasteful number, since it uses less digits than its factorization.

11739380640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881342 (or 1881334 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 11739380640 in words is "eleven billion, seven hundred thirty-nine million, three hundred eighty thousand, six hundred forty".