1188882748881 has 15 divisors (see below), whose sum is σ = 1776000000313. Its totient is φ = 792581957100.

The previous prime is 1188882748841. The next prime is 1188882748901. The reversal of 1188882748881 is 1888472888811.

The square root of 1188882748881 is 1090359.

It is a perfect power (a square), and thus also a powerful number.

1188882748881 is a `hidden beast` number, since 118 + 8 + 8 + 8 + 27 + 488 + 8 + 1 = 666.

It is not a de Polignac number, because 1188882748881 - 2¹⁵ = 1188882716113 is a prime.

It is a super-2 number, since 2×1188882748881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1188882748841) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 9752656 + ... + 9873806.

Almost surely, 2^{1188882748881} is an apocalyptic number.

1188882748881 is the 1090359-th square number.

1188882748881 is the 545180-th centered octagonal number.

It is an amenable number.

1188882748881 is a deficient number, since it is larger than the sum of its proper divisors (587117251432).

1188882748881 is an frugal number, since it uses more digits than its factorization.

1188882748881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242314 (or 121154 counting only the distinct ones).

The product of its digits is 117440512, while the sum is 72.

The spelling of 1188882748881 in words is "one trillion, one hundred eighty-eight billion, eight hundred eighty-two million, seven hundred forty-eight thousand, eight hundred eighty-one".