5412511521 has 24 divisors (see below), whose sum is σ = 7912905000. Its totient is φ = 3564767232.

The previous prime is 5412511519. The next prime is 5412511529. The reversal of 5412511521 is 1251152145.

It is a happy number.

5412511521 is a `hidden beast` number, since 5 + 4 + 125 + 11 + 521 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 531533025 + 4880978496 = 23055^2 + 69864^2 .

It is not a de Polignac number, because 5412511521 - 2¹ = 5412511519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5412511529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334465 + ... + 350273.

It is an arithmetic number, because the mean of its divisors is an integer number (329704375).

Almost surely, 2^5412511521 is an apocalyptic number.

It is an amenable number.

5412511521 is a deficient number, since it is larger than the sum of its proper divisors (2500393479).

5412511521 is a wasteful number, since it uses less digits than its factorization.

5412511521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16273 (or 16270 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The square root of 5412511521 is about 73569.7731476725. The cubic root of 5412511521 is about 1755.7645574205.

Adding to 5412511521 its reverse (1251152145), we get a palindrome (6663663666).

The spelling of 5412511521 in words is "five billion, four hundred twelve million, five hundred eleven thousand, five hundred twenty-one".