51205351351 has 16 divisors (see below), whose sum is σ = 63895442688. Its totient is φ = 39865896000.

The previous prime is 51205351339. The next prime is 51205351357. The reversal of 51205351351 is 15315350215.

It is not a de Polignac number, because 51205351351 - 2⁵ = 51205351319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51205351357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196350 + ... + 375451.

It is an arithmetic number, because the mean of its divisors is an integer number (3993465168).

Almost surely, 2^51205351351 is an apocalyptic number.

51205351351 is a deficient number, since it is larger than the sum of its proper divisors (12690091337).

51205351351 is a wasteful number, since it uses less digits than its factorization.

51205351351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572982.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 51205351351 in words is "fifty-one billion, two hundred five million, three hundred fifty-one thousand, three hundred fifty-one".