11758071321720 has 96 divisors (see below), whose sum is σ = 38240142426720. Its totient is φ = 3133318659840.

The previous prime is 11758071321713. The next prime is 11758071321781. The reversal of 11758071321720 is 2712317085711.

11758071321720 is a `hidden beast` number, since 1 + 1 + 7 + 580 + 7 + 1 + 32 + 17 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10764951 + ... + 11806790.

It is an arithmetic number, because the mean of its divisors is an integer number (398334816945).

Almost surely, 2^{11758071321720} is an apocalyptic number.

11758071321720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11758071321720 is an abundant number, since it is smaller than the sum of its proper divisors (26482071105000).

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

11758071321720 is a wasteful number, since it uses less digits than its factorization.

11758071321720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22573205 (or 22573198 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 45.

The spelling of 11758071321720 in words is "eleven trillion, seven hundred fifty-eight billion, seventy-one million, three hundred twenty-one thousand, seven hundred twenty".