1011775880 has 64 divisors (see below), whose sum is σ = 2305195200. Its totient is φ = 399642880.

The previous prime is 1011775879. The next prime is 1011775889. The reversal of 1011775880 is 885771101.

1011775880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1011775889) 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, 1534991 + ... + 1535649.

It is an arithmetic number, because the mean of its divisors is an integer number (36018675).

Almost surely, 2^1011775880 is an apocalyptic number.

1011775880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011775880 is an abundant number, since it is smaller than the sum of its proper divisors (1293419320).

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

1011775880 is a wasteful number, since it uses less digits than its factorization.

1011775880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 38.

The square root of 1011775880 is about 31808.4246702033. The cubic root of 1011775880 is about 1003.9099854221.

The spelling of 1011775880 in words is "one billion, eleven million, seven hundred seventy-five thousand, eight hundred eighty".