51071652152 has 8 divisors (see below), whose sum is σ = 95759347800. Its totient is φ = 25535826072.

The previous prime is 51071652109. The next prime is 51071652169. The reversal of 51071652152 is 25125617015.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×51071652152² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3191978252 + ... + 3191978267.

It is an arithmetic number, because the mean of its divisors is an integer number (11969918475).

Almost surely, 2^51071652152 is an apocalyptic number.

It is an amenable number.

51071652152 is a deficient number, since it is larger than the sum of its proper divisors (44687695648).

51071652152 is a wasteful number, since it uses less digits than its factorization.

51071652152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6383956525 (or 6383956521 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 35.

The spelling of 51071652152 in words is "fifty-one billion, seventy-one million, six hundred fifty-two thousand, one hundred fifty-two".