111363640 has 16 divisors (see below), whose sum is σ = 250568280. Its totient is φ = 44545440.

The previous prime is 111363619. The next prime is 111363641. The reversal of 111363640 is 46363111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111363641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392006 + ... + 1392085.

Almost surely, 2^111363640 is an apocalyptic number.

111363640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111363640 is an abundant number, since it is smaller than the sum of its proper divisors (139204640).

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

111363640 is a wasteful number, since it uses less digits than its factorization.

111363640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784102 (or 2784098 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 111363640 is about 10552.8972325139. The cubic root of 111363640 is about 481.1137908781.

It can be divided in two parts, 1 and 11363640, that added together give a square (11363641 = 3371²).

The spelling of 111363640 in words is "one hundred eleven million, three hundred sixty-three thousand, six hundred forty".