5105511051 has 4 divisors (see below), whose sum is σ = 6807348072. Its totient is φ = 3403674032.

The previous prime is 5105511049. The next prime is 5105511079. The reversal of 5105511051 is 1501155015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5105511051 - 2¹ = 5105511049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5105511031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850918506 + ... + 850918511.

It is an arithmetic number, because the mean of its divisors is an integer number (1701837018).

Almost surely, 2^5105511051 is an apocalyptic number.

5105511051 is a deficient number, since it is larger than the sum of its proper divisors (1701837021).

5105511051 is a wasteful number, since it uses less digits than its factorization.

5105511051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701837020.

The product of its (nonzero) digits is 625, while the sum is 24.

The square root of 5105511051 is about 71452.8589421025. The cubic root of 5105511051 is about 1721.9204090036.

Adding to 5105511051 its reverse (1501155015), we get a palindrome (6606666066).

The spelling of 5105511051 in words is "five billion, one hundred five million, five hundred eleven thousand, fifty-one".