510051011005 has 4 divisors (see below), whose sum is σ = 612061213212. Its totient is φ = 408040808800.

The previous prime is 510051010981. The next prime is 510051011021. The reversal of 510051011005 is 500110150015.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 140243509081 + 369807501924 = 374491^2 + 608118^2 .

It is not a de Polignac number, because 510051011005 - 2¹⁵ = 510050978237 is a prime.

It is a super-2 number, since 2×510051011005² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51005101096 + ... + 51005101105.

It is an arithmetic number, because the mean of its divisors is an integer number (153015303303).

Almost surely, 2^510051011005 is an apocalyptic number.

It is an amenable number.

510051011005 is a deficient number, since it is larger than the sum of its proper divisors (102010202207).

510051011005 is a wasteful number, since it uses less digits than its factorization.

510051011005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102010202206.

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

The spelling of 510051011005 in words is "five hundred ten billion, fifty-one million, eleven thousand, five".