11709825593640 has 64 divisors (see below), whose sum is σ = 35131223050560. Its totient is φ = 3122464934400.

The previous prime is 11709825593623. The next prime is 11709825593671. The reversal of 11709825593640 is 4639552890711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 8847 + ... + 4839393.

It is an arithmetic number, because the mean of its divisors is an integer number (548925360165).

It is a 3-persistent number, because k⋅11709825593640 is pandigital for 1 ≤ k ≤ 3, but not for k = 4.

Almost surely, 2^{11709825593640} is an apocalyptic number.

11709825593640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11709825593640 is an abundant number, since it is smaller than the sum of its proper divisors (23421397456920).

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

11709825593640 is a wasteful number, since it uses less digits than its factorization.

11709825593640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850762 (or 4850758 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 60.

The spelling of 11709825593640 in words is "eleven trillion, seven hundred nine billion, eight hundred twenty-five million, five hundred ninety-three thousand, six hundred forty".