110111010555990 has 64 divisors (see below), whose sum is σ = 271770159697920. Its totient is φ = 28531301328000.

The previous prime is 110111010555977. The next prime is 110111010556013. The reversal of 110111010555990 is 99555010111011.

It is a super-2 number, since 2×110111010555990² (a number of 29 digits) contains 22 as substring.

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, 65211070 + ... + 66878289.

It is an arithmetic number, because the mean of its divisors is an integer number (4246408745280).

Almost surely, 2^{110111010555990} is an apocalyptic number.

110111010555990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

110111010555990 is an abundant number, since it is smaller than the sum of its proper divisors (161659149141930).

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

110111010555990 is a wasteful number, since it uses less digits than its factorization.

110111010555990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132090157.

The product of its (nonzero) digits is 10125, while the sum is 39.

The spelling of 110111010555990 in words is "one hundred ten trillion, one hundred eleven billion, ten million, five hundred fifty-five thousand, nine hundred ninety".