2011872765 has 16 divisors (see below), whose sum is σ = 3678853248. Its totient is φ = 919713216.

The previous prime is 2011872763. The next prime is 2011872787. The reversal of 2011872765 is 5672781102.

It is not a de Polignac number, because 2011872765 - 2¹ = 2011872763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011872761) 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, 9580242 + ... + 9580451.

It is an arithmetic number, because the mean of its divisors is an integer number (229928328).

Almost surely, 2^2011872765 is an apocalyptic number.

It is an amenable number.

2011872765 is a deficient number, since it is larger than the sum of its proper divisors (1666980483).

2011872765 is a wasteful number, since it uses less digits than its factorization.

2011872765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19160708.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 2011872765 is about 44853.9046795260. The cubic root of 2011872765 is about 1262.4092571449.

The spelling of 2011872765 in words is "two billion, eleven million, eight hundred seventy-two thousand, seven hundred sixty-five".