111775880241 has 9 divisors (see below), whose sum is σ = 161455498009. Its totient is φ = 74516584836.

The previous prime is 111775880239. The next prime is 111775880287. The reversal of 111775880241 is 142088577111.

The square root of 111775880241 is 334329.

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

111775880241 is a `hidden beast` number, since 11 + 17 + 7 + 588 + 0 + 2 + 41 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 111775880241 - 2¹ = 111775880239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111775880231) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 947266 + ... + 1058708.

Almost surely, 2^111775880241 is an apocalyptic number.

111775880241 is the 334329-th square number.

111775880241 is the 167165-th centered octagonal number.

It is an amenable number.

111775880241 is a deficient number, since it is larger than the sum of its proper divisors (49679617768).

111775880241 is an frugal number, since it uses more digits than its factorization.

111775880241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222892 (or 111446 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 45.

It can be divided in two parts, 111775 and 880241, that added together give a square (992016 = 996²).

The spelling of 111775880241 in words is "one hundred eleven billion, seven hundred seventy-five million, eight hundred eighty thousand, two hundred forty-one".