505010001051 has 12 divisors (see below), whose sum is σ = 756475886712. Its totient is φ = 336673333872.

The previous prime is 505010001017. The next prime is 505010001071. The reversal of 505010001051 is 150100010505.

505010001051 is a `hidden beast` number, since 505 + 0 + 100 + 0 + 10 + 51 = 666.

It is not a de Polignac number, because 505010001051 - 2¹⁴ = 505009984667 is a prime.

It is a super-2 number, since 2×505010001051² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505010001071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1039114986 + ... + 1039115471.

It is an arithmetic number, because the mean of its divisors is an integer number (63039657226).

Almost surely, 2^505010001051 is an apocalyptic number.

505010001051 is a deficient number, since it is larger than the sum of its proper divisors (251465885661).

505010001051 is an equidigital number, since it uses as much as digits as its factorization.

505010001051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078230472 (or 2078230460 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

Adding to 505010001051 its reverse (150100010505), we get a palindrome (655110011556).

It can be divided in two parts, 5050 and 10001051, that added together give a triangular number (10006101 = T₄₄₇₃).

The spelling of 505010001051 in words is "five hundred five billion, ten million, one thousand, fifty-one".