2011075580 has 12 divisors (see below), whose sum is σ = 4223258760. Its totient is φ = 804430224.

The previous prime is 2011075559. The next prime is 2011075589. The reversal of 2011075580 is 855701102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011075589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50276870 + ... + 50276909.

It is an arithmetic number, because the mean of its divisors is an integer number (351938230).

Almost surely, 2^2011075580 is an apocalyptic number.

2011075580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011075580 is an abundant number, since it is smaller than the sum of its proper divisors (2212183180).

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

2011075580 is a wasteful number, since it uses less digits than its factorization.

2011075580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100553788 (or 100553786 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 2011075580 is about 44845.0173374925. The cubic root of 2011075580 is about 1262.2424959904.

Adding to 2011075580 its reverse (855701102), we get a palindrome (2866776682).

The spelling of 2011075580 in words is "two billion, eleven million, seventy-five thousand, five hundred eighty".