51024252905 has 16 divisors (see below), whose sum is σ = 65228224320. Its totient is φ = 38205091008.

The previous prime is 51024252887. The next prime is 51024252949. The reversal of 51024252905 is 50925242015.

It is a cyclic number.

It is not a de Polignac number, because 51024252905 - 2¹² = 51024248809 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, 3227642 + ... + 3243411.

It is an arithmetic number, because the mean of its divisors is an integer number (4076764020).

Almost surely, 2^51024252905 is an apocalyptic number.

It is an amenable number.

51024252905 is a deficient number, since it is larger than the sum of its proper divisors (14203971415).

51024252905 is a wasteful number, since it uses less digits than its factorization.

51024252905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471160.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 51024252905 in words is "fifty-one billion, twenty-four million, two hundred fifty-two thousand, nine hundred five".