51140502005 has 8 divisors (see below), whose sum is σ = 61371652992. Its totient is φ = 40910367888.

The previous prime is 51140501999. The next prime is 51140502013. The reversal of 51140502005 is 50020504115.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51140502005 - 2¹² = 51140497909 is a prime.

It is a super-3 number, since 3×51140502005³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138809 + ... + 348638.

It is an arithmetic number, because the mean of its divisors is an integer number (7671456624).

Almost surely, 2^51140502005 is an apocalyptic number.

It is an amenable number.

51140502005 is a deficient number, since it is larger than the sum of its proper divisors (10231150987).

51140502005 is a wasteful number, since it uses less digits than its factorization.

51140502005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508435.

The product of its (nonzero) digits is 1000, while the sum is 23.

The spelling of 51140502005 in words is "fifty-one billion, one hundred forty million, five hundred two thousand, five".