5521121241 has 16 divisors (see below), whose sum is σ = 7666950528. Its totient is φ = 3530822400.

The previous prime is 5521121237. The next prime is 5521121317. The reversal of 5521121241 is 1421211255.

It is a happy number.

It is not a de Polignac number, because 5521121241 - 2² = 5521121237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5521121201) 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, 342400 + ... + 358161.

It is an arithmetic number, because the mean of its divisors is an integer number (479184408).

Almost surely, 2^5521121241 is an apocalyptic number.

It is an amenable number.

5521121241 is a deficient number, since it is larger than the sum of its proper divisors (2145829287).

5521121241 is a wasteful number, since it uses less digits than its factorization.

5521121241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700672.

The product of its digits is 800, while the sum is 24.

The square root of 5521121241 is about 74304.2477991669. The cubic root of 5521121241 is about 1767.4308371140.

Adding to 5521121241 its reverse (1421211255), we get a palindrome (6942332496).

The spelling of 5521121241 in words is "five billion, five hundred twenty-one million, one hundred twenty-one thousand, two hundred forty-one".