2011572441 has 32 divisors (see below), whose sum is σ = 3045168000. Its totient is φ = 1311920064.

The previous prime is 2011572439. The next prime is 2011572457. The reversal of 2011572441 is 1442751102.

2011572441 is a `hidden beast` number, since 201 + 15 + 7 + 2 + 441 = 666.

It is not a de Polignac number, because 2011572441 - 2¹ = 2011572439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2011572461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 540495 + ... + 544203.

It is an arithmetic number, because the mean of its divisors is an integer number (95161500).

Almost surely, 2^2011572441 is an apocalyptic number.

It is an amenable number.

2011572441 is a deficient number, since it is larger than the sum of its proper divisors (1033595559).

2011572441 is a wasteful number, since it uses less digits than its factorization.

2011572441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150 (or 4144 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2011572441 is about 44850.5567523972. The cubic root of 2011572441 is about 1262.3464382843.

The spelling of 2011572441 in words is "two billion, eleven million, five hundred seventy-two thousand, four hundred forty-one".