51335433122 has 4 divisors (see below), whose sum is σ = 77003149686. Its totient is φ = 25667716560.

The previous prime is 51335433067. The next prime is 51335433161. The reversal of 51335433122 is 22133453315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41035010041 + 10300423081 = 202571^2 + 101491^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12833858279 + ... + 12833858282.

Almost surely, 2^51335433122 is an apocalyptic number.

51335433122 is a deficient number, since it is larger than the sum of its proper divisors (25667716564).

51335433122 is a wasteful number, since it uses less digits than its factorization.

51335433122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25667716563.

The product of its digits is 32400, while the sum is 32.

Adding to 51335433122 its reverse (22133453315), we get a palindrome (73468886437).

The spelling of 51335433122 in words is "fifty-one billion, three hundred thirty-five million, four hundred thirty-three thousand, one hundred twenty-two".