2011015516 has 12 divisors (see below), whose sum is σ = 3520296360. Its totient is φ = 1005216560.

The previous prime is 2011015471. The next prime is 2011015577. The reversal of 2011015516 is 6155101102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56875 + ... + 85186.

It is an arithmetic number, because the mean of its divisors is an integer number (293358030).

Almost surely, 2^2011015516 is an apocalyptic number.

It is an amenable number.

2011015516 is a deficient number, since it is larger than the sum of its proper divisors (1509280844).

2011015516 is a wasteful number, since it uses less digits than its factorization.

2011015516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145604 (or 145602 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 2011015516 is about 44844.3476482823. The cubic root of 2011015516 is about 1262.2299295660.

Adding to 2011015516 its reverse (6155101102), we get a palindrome (8166116618).

The spelling of 2011015516 in words is "two billion, eleven million, fifteen thousand, five hundred sixteen".