111752811387 has 12 divisors (see below), whose sum is σ = 184480831600. Its totient is φ = 63858749328.

The previous prime is 111752811367. The next prime is 111752811397. The reversal of 111752811387 is 783118257111.

111752811387 is a `hidden beast` number, since 1 + 1 + 1 + 7 + 528 + 113 + 8 + 7 = 666.

It is not a de Polignac number, because 111752811387 - 2¹⁰ = 111752810363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111752811367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 886927012 + ... + 886927137.

Almost surely, 2^111752811387 is an apocalyptic number.

111752811387 is a deficient number, since it is larger than the sum of its proper divisors (72728020213).

111752811387 is a wasteful number, since it uses less digits than its factorization.

111752811387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773854162 (or 1773854159 counting only the distinct ones).

The product of its digits is 94080, while the sum is 45.

The spelling of 111752811387 in words is "one hundred eleven billion, seven hundred fifty-two million, eight hundred eleven thousand, three hundred eighty-seven".