51525065156 has 12 divisors (see below), whose sum is σ = 93077537280. Its totient is φ = 24931483080.

The previous prime is 51525065143. The next prime is 51525065159. The reversal of 51525065156 is 65156052515.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51525065159) 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 3 ways as a sum of consecutive naturals, for example, 207762236 + ... + 207762483.

It is an arithmetic number, because the mean of its divisors is an integer number (7756461440).

Almost surely, 2^51525065156 is an apocalyptic number.

It is an amenable number.

51525065156 is a deficient number, since it is larger than the sum of its proper divisors (41552472124).

51525065156 is a wasteful number, since it uses less digits than its factorization.

51525065156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415524754 (or 415524752 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 41.

The spelling of 51525065156 in words is "fifty-one billion, five hundred twenty-five million, sixty-five thousand, one hundred fifty-six".