51028642021235 has 32 divisors (see below), whose sum is σ = 63601790664192. Its totient is φ = 39273373117440.

The previous prime is 51028642021229. The next prime is 51028642021271. The reversal of 51028642021235 is 53212024682015.

It is a happy number.

51028642021235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51028642021235 - 2¹⁰ = 51028642020211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51028642021192 and 51028642021201.

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 31 ways as a sum of consecutive naturals, for example, 113964995 + ... + 114411875.

It is an arithmetic number, because the mean of its divisors is an integer number (1987555958256).

Almost surely, 2^{51028642021235} is an apocalyptic number.

51028642021235 is a deficient number, since it is larger than the sum of its proper divisors (12573148642957).

51028642021235 is a wasteful number, since it uses less digits than its factorization.

51028642021235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454923.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 51028642021235 in words is "fifty-one trillion, twenty-eight billion, six hundred forty-two million, twenty-one thousand, two hundred thirty-five".