51023025355 has 16 divisors (see below), whose sum is σ = 62664053760. Its totient is φ = 39861184608.

The previous prime is 51023025331. The next prime is 51023025371. The reversal of 51023025355 is 55352032015.

It is a cyclic number.

It is not a de Polignac number, because 51023025355 - 2¹¹ = 51023023307 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1200966 + ... + 1242724.

It is an arithmetic number, because the mean of its divisors is an integer number (3916503360).

Almost surely, 2^51023025355 is an apocalyptic number.

51023025355 is a deficient number, since it is larger than the sum of its proper divisors (11641028405).

51023025355 is a wasteful number, since it uses less digits than its factorization.

51023025355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47490.

The product of its (nonzero) digits is 22500, while the sum is 31.

The spelling of 51023025355 in words is "fifty-one billion, twenty-three million, twenty-five thousand, three hundred fifty-five".