51113553334 has 8 divisors (see below), whose sum is σ = 76674841488. Its totient is φ = 25555272840.

The previous prime is 51113553311. The next prime is 51113553343. The reversal of 51113553334 is 43335531115.

It is a happy number.

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

It is a super-2 number, since 2×51113553334² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51113553334.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 708937 + ... + 777700.

It is an arithmetic number, because the mean of its divisors is an integer number (9584355186).

Almost surely, 2^51113553334 is an apocalyptic number.

51113553334 is a deficient number, since it is larger than the sum of its proper divisors (25561288154).

51113553334 is a wasteful number, since it uses less digits than its factorization.

51113553334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503830.

The product of its digits is 40500, while the sum is 34.

The spelling of 51113553334 in words is "fifty-one billion, one hundred thirteen million, five hundred fifty-three thousand, three hundred thirty-four".