51010126274 has 4 divisors (see below), whose sum is σ = 76515189414. Its totient is φ = 25505063136.

The previous prime is 51010126273. The next prime is 51010126313. The reversal of 51010126274 is 47262101015.

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., 28795714249 + 22214412025 = 169693^2 + 149045^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51010126273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12752531567 + ... + 12752531570.

Almost surely, 2^51010126274 is an apocalyptic number.

51010126274 is a deficient number, since it is larger than the sum of its proper divisors (25505063140).

51010126274 is a wasteful number, since it uses less digits than its factorization.

51010126274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25505063139.

The product of its (nonzero) digits is 3360, while the sum is 29.

Adding to 51010126274 its reverse (47262101015), we get a palindrome (98272227289).

The spelling of 51010126274 in words is "fifty-one billion, ten million, one hundred twenty-six thousand, two hundred seventy-four".