5441157121 has 2 divisors, whose sum is σ = 5441157122. Its totient is φ = 5441157120.

The previous prime is 5441157101. The next prime is 5441157131. The reversal of 5441157121 is 1217511445.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5189617521 + 251539600 = 72039^2 + 15860^2 .

It is a cyclic number.

It is not a de Polignac number, because 5441157121 - 2⁵ = 5441157089 is a prime.

It is not a weakly prime, because it can be changed into another prime (5441157101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2720578560 + 2720578561.

It is an arithmetic number, because the mean of its divisors is an integer number (2720578561).

Almost surely, 2^5441157121 is an apocalyptic number.

It is an amenable number.

5441157121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5441157121 is an equidigital number, since it uses as much as digits as its factorization.

5441157121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5600, while the sum is 31.

The square root of 5441157121 is about 73764.1994533934. The cubic root of 5441157121 is about 1758.8565576688.

Adding to 5441157121 its reverse (1217511445), we get a palindrome (6658668566).

The spelling of 5441157121 in words is "five billion, four hundred forty-one million, one hundred fifty-seven thousand, one hundred twenty-one".