111151242656 has 24 divisors (see below), whose sum is σ = 218836435104. Its totient is φ = 55573735360.

The previous prime is 111151242623. The next prime is 111151242691. The reversal of 111151242656 is 656242151111.

It is a super-4 number, since 4×111151242656⁴ (a number of 45 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1846571 + ... + 1905813.

It is an arithmetic number, because the mean of its divisors is an integer number (9118184796).

Almost surely, 2^111151242656 is an apocalyptic number.

111151242656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111151242656 is a deficient number, since it is larger than the sum of its proper divisors (107685192448).

111151242656 is an equidigital number, since it uses as much as digits as its factorization.

111151242656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117884 (or 117876 counting only the distinct ones).

The product of its digits is 14400, while the sum is 35.

Adding to 111151242656 its reverse (656242151111), we get a palindrome (767393393767).

The spelling of 111151242656 in words is "one hundred eleven billion, one hundred fifty-one million, two hundred forty-two thousand, six hundred fifty-six".