1111110885020 has 48 divisors (see below), whose sum is σ = 2353132736640. Its totient is φ = 440687267904.

The previous prime is 1111110884987. The next prime is 1111110885023. The reversal of 1111110885020 is 205880111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111110885023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 795047 + ... + 1689473.

It is an arithmetic number, because the mean of its divisors is an integer number (49023598680).

Almost surely, 2^{1111110885020} is an apocalyptic number.

1111110885020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111110885020 is an abundant number, since it is smaller than the sum of its proper divisors (1242021851620).

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

1111110885020 is a wasteful number, since it uses less digits than its factorization.

1111110885020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894962 (or 894960 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 29.

Adding to 1111110885020 its reverse (205880111111), we get a palindrome (1316990996131).

The spelling of 1111110885020 in words is "one trillion, one hundred eleven billion, one hundred ten million, eight hundred eighty-five thousand, twenty".