51000010501 has 8 divisors (see below), whose sum is σ = 58564605600. Its totient is φ = 43923453840.

The previous prime is 51000010469. The next prime is 51000010547. The reversal of 51000010501 is 10501000015.

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 51000010501 - 2⁵ = 51000010469 is a prime.

It is a super-2 number, since 2×51000010501² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51000020501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122009386 + ... + 122009803.

It is an arithmetic number, because the mean of its divisors is an integer number (7320575700).

Almost surely, 2^51000010501 is an apocalyptic number.

It is an amenable number.

51000010501 is a deficient number, since it is larger than the sum of its proper divisors (7564595099).

51000010501 is a wasteful number, since it uses less digits than its factorization.

51000010501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244019219.

The product of its (nonzero) digits is 25, while the sum is 13.

Adding to 51000010501 its reverse (10501000015), we get a palindrome (61501010516).

The spelling of 51000010501 in words is "fifty-one billion, ten thousand, five hundred one".