51305153457 has 16 divisors (see below), whose sum is σ = 69400457280. Its totient is φ = 33708659712.

The previous prime is 51305153443. The next prime is 51305153477. The reversal of 51305153457 is 75435150315.

It is not a de Polignac number, because 51305153457 - 2⁴ = 51305153441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51305153477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150048 + ... + 353729.

It is an arithmetic number, because the mean of its divisors is an integer number (4337528580).

Almost surely, 2^51305153457 is an apocalyptic number.

It is an amenable number.

51305153457 is a deficient number, since it is larger than the sum of its proper divisors (18095303823).

51305153457 is a wasteful number, since it uses less digits than its factorization.

51305153457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504272.

The product of its (nonzero) digits is 157500, while the sum is 39.

The spelling of 51305153457 in words is "fifty-one billion, three hundred five million, one hundred fifty-three thousand, four hundred fifty-seven".