51415427101 has 8 divisors (see below), whose sum is σ = 52989638240. Its totient is φ = 49858420752.

The previous prime is 51415427099. The next prime is 51415427137. The reversal of 51415427101 is 10172451415.

It is a happy number.

51415427101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51415427101 - 2¹ = 51415427099 is a prime.

It is a super-2 number, since 2×51415427101² (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 (51415427191) 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, 4295130 + ... + 4307083.

It is an arithmetic number, because the mean of its divisors is an integer number (6623704780).

Almost surely, 2^51415427101 is an apocalyptic number.

It is an amenable number.

51415427101 is a deficient number, since it is larger than the sum of its proper divisors (1574211139).

51415427101 is a wasteful number, since it uses less digits than its factorization.

51415427101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8602395.

The product of its (nonzero) digits is 5600, while the sum is 31.

Adding to 51415427101 its reverse (10172451415), we get a palindrome (61587878516).

The spelling of 51415427101 in words is "fifty-one billion, four hundred fifteen million, four hundred twenty-seven thousand, one hundred one".