51152550215 has 48 divisors (see below), whose sum is σ = 72018729216. Its totient is φ = 34631193600.

The previous prime is 51152550187. The next prime is 51152550227. The reversal of 51152550215 is 51205525115.

It is not a de Polignac number, because 51152550215 - 2¹² = 51152546119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 692255 + ... + 762575.

It is an arithmetic number, because the mean of its divisors is an integer number (1500390192).

Almost surely, 2^51152550215 is an apocalyptic number.

51152550215 is a deficient number, since it is larger than the sum of its proper divisors (20866179001).

51152550215 is a wasteful number, since it uses less digits than its factorization.

51152550215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70408 (or 70389 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 32.

The spelling of 51152550215 in words is "fifty-one billion, one hundred fifty-two million, five hundred fifty thousand, two hundred fifteen".