2011451547 has 16 divisors (see below), whose sum is σ = 3066272000. Its totient is φ = 1148949792.

The previous prime is 2011451537. The next prime is 2011451551. The reversal of 2011451547 is 7451541102.

It is not a de Polignac number, because 2011451547 - 2⁷ = 2011451419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011451537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40308 + ... + 75150.

It is an arithmetic number, because the mean of its divisors is an integer number (191642000).

Almost surely, 2^2011451547 is an apocalyptic number.

2011451547 is a deficient number, since it is larger than the sum of its proper divisors (1054820453).

2011451547 is a wasteful number, since it uses less digits than its factorization.

2011451547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37602.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 2011451547 is about 44849.2089896801. The cubic root of 2011451547 is about 1262.3211490853.

Adding to 2011451547 its reverse (7451541102), we get a palindrome (9462992649).

The spelling of 2011451547 in words is "two billion, eleven million, four hundred fifty-one thousand, five hundred forty-seven".