511010556005 has 4 divisors (see below), whose sum is σ = 613212667212. Its totient is φ = 408808444800.

The previous prime is 511010555933. The next prime is 511010556013. The reversal of 511010556005 is 500655010115.

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 124147703716 + 386862852289 = 352346^2 + 621983^2 .

It is not a de Polignac number, because 511010556005 - 2³⁸ = 236132649061 is a prime.

It is a super-2 number, since 2×511010556005² (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, 51101055596 + ... + 51101055605.

It is an arithmetic number, because the mean of its divisors is an integer number (153303166803).

Almost surely, 2^511010556005 is an apocalyptic number.

It is an amenable number.

511010556005 is a deficient number, since it is larger than the sum of its proper divisors (102202111207).

511010556005 is a wasteful number, since it uses less digits than its factorization.

511010556005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102202111206.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 511010556005 in words is "five hundred eleven billion, ten million, five hundred fifty-six thousand, five".