111041427990 has 64 divisors (see below), whose sum is σ = 270164160000. Its totient is φ = 29205057024.

The previous prime is 111041427989. The next prime is 111041427997. The reversal of 111041427990 is 99724140111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111041427997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1454286 + ... + 1528734.

It is an arithmetic number, because the mean of its divisors is an integer number (4221315000).

Almost surely, 2^111041427990 is an apocalyptic number.

111041427990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111041427990 is an abundant number, since it is smaller than the sum of its proper divisors (159122732010).

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

111041427990 is a wasteful number, since it uses less digits than its factorization.

111041427990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75141.

The product of its (nonzero) digits is 18144, while the sum is 39.

The spelling of 111041427990 in words is "one hundred eleven billion, forty-one million, four hundred twenty-seven thousand, nine hundred ninety".