51100510501005 has 48 divisors (see below), whose sum is σ = 95982086154240. Its totient is φ = 23145919267968.

The previous prime is 51100510500983. The next prime is 51100510501043. The reversal of 51100510501005 is 50010501500115.

It is not a de Polignac number, because 51100510501005 - 2¹⁰ = 51100510499981 is a prime.

It is a super-2 number, since 2×51100510501005² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 318839629 + ... + 318999858.

It is an arithmetic number, because the mean of its divisors is an integer number (1999626794880).

Almost surely, 2^{51100510501005} is an apocalyptic number.

It is an amenable number.

51100510501005 is a deficient number, since it is larger than the sum of its proper divisors (44881575653235).

51100510501005 is a wasteful number, since it uses less digits than its factorization.

51100510501005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637839618 (or 637839611 counting only the distinct ones).

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

The spelling of 51100510501005 in words is "fifty-one trillion, one hundred billion, five hundred ten million, five hundred one thousand, five".