5511030255121 has 4 divisors (see below), whose sum is σ = 5511295957312. Its totient is φ = 5510764552932.

The previous prime is 5511030255119. The next prime is 5511030255163. The reversal of 5511030255121 is 1215520301155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5511030255121 - 2¹ = 5511030255119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5511030259121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132819981 + ... + 132861466.

It is an arithmetic number, because the mean of its divisors is an integer number (1377823989328).

Almost surely, 2^{5511030255121} is an apocalyptic number.

It is an amenable number.

5511030255121 is a deficient number, since it is larger than the sum of its proper divisors (265702191).

5511030255121 is a wasteful number, since it uses less digits than its factorization.

5511030255121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265702190.

The product of its (nonzero) digits is 7500, while the sum is 31.

Adding to 5511030255121 its reverse (1215520301155), we get a palindrome (6726550556276).

The spelling of 5511030255121 in words is "five trillion, five hundred eleven billion, thirty million, two hundred fifty-five thousand, one hundred twenty-one".