51145241021422 has 64 divisors (see below), whose sum is σ = 81234983337984. Its totient is φ = 24116002110720.

The previous prime is 51145241021383. The next prime is 51145241021437. The reversal of 51145241021422 is 22412014254115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 839282938 + ... + 839343874.

It is an arithmetic number, because the mean of its divisors is an integer number (1269296614656).

Almost surely, 2^{51145241021422} is an apocalyptic number.

51145241021422 is a deficient number, since it is larger than the sum of its proper divisors (30089742316562).

51145241021422 is a wasteful number, since it uses less digits than its factorization.

51145241021422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62753.

The product of its (nonzero) digits is 25600, while the sum is 34.

Adding to 51145241021422 its reverse (22412014254115), we get a palindrome (73557255275537).

The spelling of 51145241021422 in words is "fifty-one trillion, one hundred forty-five billion, two hundred forty-one million, twenty-one thousand, four hundred twenty-two".