111727009754 has 4 divisors (see below), whose sum is σ = 167590514634. Its totient is φ = 55863504876.

The previous prime is 111727009741. The next prime is 111727009783. The reversal of 111727009754 is 457900727111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 111638179129 + 88830625 = 334123^2 + 9425^2 .

It is a super-2 number, since 2×111727009754² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27931752437 + ... + 27931752440.

Almost surely, 2^111727009754 is an apocalyptic number.

111727009754 is a deficient number, since it is larger than the sum of its proper divisors (55863504880).

111727009754 is an equidigital number, since it uses as much as digits as its factorization.

111727009754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55863504879.

The product of its (nonzero) digits is 123480, while the sum is 44.

The spelling of 111727009754 in words is "one hundred eleven billion, seven hundred twenty-seven million, nine thousand, seven hundred fifty-four".