111403480 has 16 divisors (see below), whose sum is σ = 250657920. Its totient is φ = 44561376.

The previous prime is 111403477. The next prime is 111403483. The reversal of 111403480 is 84304111.

It is an interprime number because it is at equal distance from previous prime (111403477) and next prime (111403483).

It is a super-2 number, since 2×111403480² = 24821470712220800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111403483) 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, 1392504 + ... + 1392583.

It is an arithmetic number, because the mean of its divisors is an integer number (15666120).

Almost surely, 2^111403480 is an apocalyptic number.

111403480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111403480 is an abundant number, since it is smaller than the sum of its proper divisors (139254440).

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

111403480 is a wasteful number, since it uses less digits than its factorization.

111403480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785098 (or 2785094 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 111403480 is about 10554.7846969988. The cubic root of 111403480 is about 481.1711563646.

Adding to 111403480 its reverse (84304111), we get a palindrome (195707591).

The spelling of 111403480 in words is "one hundred eleven million, four hundred three thousand, four hundred eighty".