111654555480 has 384 divisors, whose sum is σ = 402853651200. Its totient is φ = 26646921216.

The previous prime is 111654555479. The next prime is 111654555503. The reversal of 111654555480 is 84555456111.

111654555480 is a `hidden beast` number, since 1 + 1 + 1 + 6 + 54 + 55 + 548 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23973312 + ... + 23977968.

It is an arithmetic number, because the mean of its divisors is an integer number (1049098050).

Almost surely, 2^111654555480 is an apocalyptic number.

111654555480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111654555480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201426825600).

111654555480 is an abundant number, since it is smaller than the sum of its proper divisors (291199095720).

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

111654555480 is a wasteful number, since it uses less digits than its factorization.

111654555480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843 (or 4836 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 45.

The spelling of 111654555480 in words is "one hundred eleven billion, six hundred fifty-four million, five hundred fifty-five thousand, four hundred eighty".