111545101404 has 96 divisors (see below), whose sum is σ = 315681166080. Its totient is φ = 33780110400.

The previous prime is 111545101399. The next prime is 111545101489. The reversal of 111545101404 is 404101545111.

It is a happy number.

111545101404 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 4 + 510 + 140 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1896787 + ... + 1954709.

It is an arithmetic number, because the mean of its divisors is an integer number (3288345480).

Almost surely, 2^111545101404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111545101404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157840583040).

111545101404 is an abundant number, since it is smaller than the sum of its proper divisors (204136064676).

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

111545101404 is a wasteful number, since it uses less digits than its factorization.

111545101404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59568 (or 59560 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

Adding to 111545101404 its reverse (404101545111), we get a palindrome (515646646515).

The spelling of 111545101404 in words is "one hundred eleven billion, five hundred forty-five million, one hundred one thousand, four hundred four".