5611432521 has 16 divisors (see below), whose sum is σ = 7816596480. Its totient is φ = 3574002960.

The previous prime is 5611432439. The next prime is 5611432523. The reversal of 5611432521 is 1252341165.

5611432521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5611432521 - 2⁹ = 5611432009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5611432523) 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, 9426 + ... + 106356.

It is an arithmetic number, because the mean of its divisors is an integer number (488537280).

Almost surely, 2^5611432521 is an apocalyptic number.

It is an amenable number.

5611432521 is a deficient number, since it is larger than the sum of its proper divisors (2205163959).

5611432521 is a wasteful number, since it uses less digits than its factorization.

5611432521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97796.

The product of its digits is 7200, while the sum is 30.

The square root of 5611432521 is about 74909.4955329430. The cubic root of 5611432521 is about 1777.0156321940.

Adding to 5611432521 its reverse (1252341165), we get a palindrome (6863773686).

The spelling of 5611432521 in words is "five billion, six hundred eleven million, four hundred thirty-two thousand, five hundred twenty-one".