111863269884 has 48 divisors (see below), whose sum is σ = 266689963008. Its totient is φ = 36477674688.

The previous prime is 111863269873. The next prime is 111863269919. The reversal of 111863269884 is 488962368111.

It is a super-2 number, since 2×111863269884² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1217337 + ... + 1305999.

It is an arithmetic number, because the mean of its divisors is an integer number (5556040896).

Almost surely, 2^111863269884 is an apocalyptic number.

It is an amenable number.

111863269884 is an abundant number, since it is smaller than the sum of its proper divisors (154826693124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111863269884 is a wasteful number, since it uses less digits than its factorization.

111863269884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90954 (or 90952 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 57.

The spelling of 111863269884 in words is "one hundred eleven billion, eight hundred sixty-three million, two hundred sixty-nine thousand, eight hundred eighty-four".