111366621536 has 24 divisors (see below), whose sum is σ = 220354822800. Its totient is φ = 55403491968.

The previous prime is 111366621503. The next prime is 111366621571. The reversal of 111366621536 is 635126663111.

It is a junction number, because it is equal to n+sod(n) for n = 111366621493 and 111366621502.

It is a congruent number.

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, 8737871 + ... + 8750606.

It is an arithmetic number, because the mean of its divisors is an integer number (9181450950).

Almost surely, 2^111366621536 is an apocalyptic number.

111366621536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111366621536 is a deficient number, since it is larger than the sum of its proper divisors (108988201264).

111366621536 is a wasteful number, since it uses less digits than its factorization.

111366621536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17488686 (or 17488678 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The spelling of 111366621536 in words is "one hundred eleven billion, three hundred sixty-six million, six hundred twenty-one thousand, five hundred thirty-six".