51126777323 has 8 divisors (see below), whose sum is σ = 54114999120. Its totient is φ = 48168289440.

The previous prime is 51126777301. The next prime is 51126777371. The reversal of 51126777323 is 32377762115.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51126777323 - 2⁶ = 51126777259 is a prime.

It is a super-2 number, since 2×51126777323² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51126777523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7429940 + ... + 7436817.

It is an arithmetic number, because the mean of its divisors is an integer number (6764374890).

Almost surely, 2^51126777323 is an apocalyptic number.

51126777323 is a deficient number, since it is larger than the sum of its proper divisors (2988221797).

51126777323 is a wasteful number, since it uses less digits than its factorization.

51126777323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14866957.

The product of its digits is 370440, while the sum is 44.

The spelling of 51126777323 in words is "fifty-one billion, one hundred twenty-six million, seven hundred seventy-seven thousand, three hundred twenty-three".