4454521511 has 16 divisors (see below), whose sum is σ = 4918320000. Its totient is φ = 4000807200.

The previous prime is 4454521499. The next prime is 4454521517. The reversal of 4454521511 is 1151254544.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4454521511 - 2¹⁸ = 4454259367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4454521517) 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, 323240 + ... + 336738.

It is an arithmetic number, because the mean of its divisors is an integer number (307395000).

Almost surely, 2^4454521511 is an apocalyptic number.

4454521511 is a deficient number, since it is larger than the sum of its proper divisors (463798489).

4454521511 is a wasteful number, since it uses less digits than its factorization.

4454521511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13870.

The product of its digits is 16000, while the sum is 32.

The square root of 4454521511 is about 66742.2018740766. The cubic root of 4454521511 is about 1645.3830540897.

The spelling of 4454521511 in words is "four billion, four hundred fifty-four million, five hundred twenty-one thousand, five hundred eleven".