51051122071 has 8 divisors (see below), whose sum is σ = 52424271504. Its totient is φ = 49686423360.

The previous prime is 51051122063. The next prime is 51051122081. The reversal of 51051122071 is 17022115015.

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 51051122071 - 2³ = 51051122063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51051122011) 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, 2100436 + ... + 2124601.

It is an arithmetic number, because the mean of its divisors is an integer number (6553033938).

Almost surely, 2^51051122071 is an apocalyptic number.

51051122071 is a deficient number, since it is larger than the sum of its proper divisors (1373149433).

51051122071 is a wasteful number, since it uses less digits than its factorization.

51051122071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225361.

The product of its (nonzero) digits is 700, while the sum is 25.

Adding to 51051122071 its reverse (17022115015), we get a palindrome (68073237086).

The spelling of 51051122071 in words is "fifty-one billion, fifty-one million, one hundred twenty-two thousand, seventy-one".