51225146734 has 16 divisors (see below), whose sum is σ = 78158617200. Its totient is φ = 25172480704.

The previous prime is 51225146659. The next prime is 51225146761. The reversal of 51225146734 is 43764152215.

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, 469482 + ... + 568210.

It is an arithmetic number, because the mean of its divisors is an integer number (4884913575).

Almost surely, 2^51225146734 is an apocalyptic number.

51225146734 is a deficient number, since it is larger than the sum of its proper divisors (26933470466).

51225146734 is a wasteful number, since it uses less digits than its factorization.

51225146734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103187.

The product of its digits is 201600, while the sum is 40.

Adding to 51225146734 its reverse (43764152215), we get a palindrome (94989298949).

The spelling of 51225146734 in words is "fifty-one billion, two hundred twenty-five million, one hundred forty-six thousand, seven hundred thirty-four".