505110001051 has 16 divisors (see below), whose sum is σ = 537452163360. Its totient is φ = 473065781760.

The previous prime is 505110001049. The next prime is 505110001091. The reversal of 505110001051 is 150100011505.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 505110001051 - 2¹ = 505110001049 is a prime.

It is a super-2 number, since 2×505110001051² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505110001091) 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, 2738521 + ... + 2917141.

It is an arithmetic number, because the mean of its divisors is an integer number (33590760210).

Almost surely, 2^505110001051 is an apocalyptic number.

505110001051 is a deficient number, since it is larger than the sum of its proper divisors (32342162309).

505110001051 is a wasteful number, since it uses less digits than its factorization.

505110001051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179454.

The product of its (nonzero) digits is 125, while the sum is 19.

Adding to 505110001051 its reverse (150100011505), we get a palindrome (655210012556).

The spelling of 505110001051 in words is "five hundred five billion, one hundred ten million, one thousand, fifty-one".