111045525450 has 384 divisors, whose sum is σ = 303393081600. Its totient is φ = 26815488000.

The previous prime is 111045525449. The next prime is 111045525473. The reversal of 111045525450 is 54525540111.

It is a happy number.

It is a super-2 number, since 2×111045525450² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 641881564 + ... + 641881736.

It is an arithmetic number, because the mean of its divisors is an integer number (790086150).

Almost surely, 2^111045525450 is an apocalyptic number.

111045525450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111045525450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151696540800).

111045525450 is an abundant number, since it is smaller than the sum of its proper divisors (192347556150).

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

111045525450 is a wasteful number, since it uses less digits than its factorization.

111045525450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 111045525450 in words is "one hundred eleven billion, forty-five million, five hundred twenty-five thousand, four hundred fifty".