11112550020 has 288 divisors, whose sum is σ = 40969393920. Its totient is φ = 2400814080.

The previous prime is 11112550013. The next prime is 11112550037. The reversal of 11112550020 is 2005521111.

11112550020 is a `hidden beast` number, since 1 + 1 + 112 + 550 + 0 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11112549975 and 11112550002.

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, 739017 + ... + 753903.

It is an arithmetic number, because the mean of its divisors is an integer number (142254840).

Almost surely, 2^11112550020 is an apocalyptic number.

11112550020 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 11112550020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20484696960).

11112550020 is an abundant number, since it is smaller than the sum of its proper divisors (29856843900).

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

11112550020 is a wasteful number, since it uses less digits than its factorization.

11112550020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14955 (or 14950 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The spelling of 11112550020 in words is "eleven billion, one hundred twelve million, five hundred fifty thousand, twenty".