113111478 has 40 divisors (see below), whose sum is σ = 254425248. Its totient is φ = 37559376.

The previous prime is 113111473. The next prime is 113111483. The reversal of 113111478 is 874111311.

It is an interprime number because it is at equal distance from previous prime (113111473) and next prime (113111483).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113111473) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46275 + ... + 48657.

Almost surely, 2^113111478 is an apocalyptic number.

113111478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113111478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127212624).

113111478 is an abundant number, since it is smaller than the sum of its proper divisors (141313770).

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

113111478 is a wasteful number, since it uses less digits than its factorization.

113111478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690 (or 2681 counting only the distinct ones).

The product of its digits is 672, while the sum is 27.

The square root of 113111478 is about 10635.3880042056. The cubic root of 113111478 is about 483.6177428238.

Adding to 113111478 its reverse (874111311), we get a palindrome (987222789).

The spelling of 113111478 in words is "one hundred thirteen million, one hundred eleven thousand, four hundred seventy-eight".