11753434065640 has 32 divisors (see below), whose sum is σ = 26446351183560. Its totient is φ = 4701173708800.

The previous prime is 11753434065623. The next prime is 11753434065649. The reversal of 11753434065640 is 4656043435711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3799669127076 + 7953764938564 = 1949274^2 + 2820242^2 .

It is not an unprimeable number, because it can be changed into a prime (11753434065649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5293201 + ... + 7178080.

Almost surely, 2^{11753434065640} is an apocalyptic number.

11753434065640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11753434065640 is an abundant number, since it is smaller than the sum of its proper divisors (14692917117920).

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

11753434065640 is a wasteful number, since it uses less digits than its factorization.

11753434065640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12494853 (or 12494849 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 11753434065640 in words is "eleven trillion, seven hundred fifty-three billion, four hundred thirty-four million, sixty-five thousand, six hundred forty".