51630131121262 has 16 divisors (see below), whose sum is σ = 78156135953280. Its totient is φ = 25578088427232.

The previous prime is 51630131121229. The next prime is 51630131121277. The reversal of 51630131121262 is 26212113103615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46577923 + ... + 47673505.

It is an arithmetic number, because the mean of its divisors is an integer number (4884758497080).

Almost surely, 2^{51630131121262} is an apocalyptic number.

51630131121262 is a deficient number, since it is larger than the sum of its proper divisors (26526004832018).

51630131121262 is a wasteful number, since it uses less digits than its factorization.

51630131121262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311867.

The product of its (nonzero) digits is 12960, while the sum is 34.

Adding to 51630131121262 its reverse (26212113103615), we get a palindrome (77842244224877).

The spelling of 51630131121262 in words is "fifty-one trillion, six hundred thirty billion, one hundred thirty-one million, one hundred twenty-one thousand, two hundred sixty-two".