4011046521 has 64 divisors (see below), whose sum is σ = 6216030720. Its totient is φ = 2285015040.

The previous prime is 4011046513. The next prime is 4011046541. The reversal of 4011046521 is 1256401104.

It is a happy number.

It is not a de Polignac number, because 4011046521 - 2³ = 4011046513 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4011046491 and 4011046500.

It is not an unprimeable number, because it can be changed into a prime (4011046541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2074071 + ... + 2076003.

It is an arithmetic number, because the mean of its divisors is an integer number (97125480).

Almost surely, 2^4011046521 is an apocalyptic number.

It is an amenable number.

4011046521 is a deficient number, since it is larger than the sum of its proper divisors (2204984199).

4011046521 is a wasteful number, since it uses less digits than its factorization.

4011046521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 4011046521 is about 63332.8234093507. The cubic root of 4011046521 is about 1588.8609804523.

Adding to 4011046521 its reverse (1256401104), we get a palindrome (5267447625).

The spelling of 4011046521 in words is "four billion, eleven million, forty-six thousand, five hundred twenty-one".