51150659951 has 12 divisors (see below), whose sum is σ = 53482563288. Its totient is φ = 48916408464.

The previous prime is 51150659939. The next prime is 51150659977. The reversal of 51150659951 is 15995605115.

It is a happy number.

It is not a de Polignac number, because 51150659951 - 2⁶ = 51150659887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51150659896 and 51150659905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51150659051) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3973241 + ... + 3986093.

It is an arithmetic number, because the mean of its divisors is an integer number (4456880274).

Almost surely, 2^51150659951 is an apocalyptic number.

51150659951 is a deficient number, since it is larger than the sum of its proper divisors (2331903337).

51150659951 is a wasteful number, since it uses less digits than its factorization.

51150659951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20422 (or 20399 counting only the distinct ones).

The product of its (nonzero) digits is 303750, while the sum is 47.

The spelling of 51150659951 in words is "fifty-one billion, one hundred fifty million, six hundred fifty-nine thousand, nine hundred fifty-one".