11581350367775 has 72 divisors (see below), whose sum is σ = 14974637968080. Its totient is φ = 8881371832320.

The previous prime is 11581350367709. The next prime is 11581350367777. The reversal of 11581350367775 is 57776305318511.

It is not a de Polignac number, because 11581350367775 - 2²⁴ = 11581333590559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11581350367777) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 755511311 + ... + 755526639.

It is an arithmetic number, because the mean of its divisors is an integer number (207981082890).

Almost surely, 2^{11581350367775} is an apocalyptic number.

11581350367775 is a deficient number, since it is larger than the sum of its proper divisors (3393287600305).

11581350367775 is a wasteful number, since it uses less digits than its factorization.

11581350367775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15645 (or 15567 counting only the distinct ones).

The product of its (nonzero) digits is 18522000, while the sum is 59.

The spelling of 11581350367775 in words is "eleven trillion, five hundred eighty-one billion, three hundred fifty million, three hundred sixty-seven thousand, seven hundred seventy-five".