51423411155 has 16 divisors (see below), whose sum is σ = 64960902720. Its totient is φ = 39001847808.

The previous prime is 51423411131. The next prime is 51423411217. The reversal of 51423411155 is 55111432415.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51423411155 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1965590 + ... + 1991579.

It is an arithmetic number, because the mean of its divisors is an integer number (4060056420).

Almost surely, 2^51423411155 is an apocalyptic number.

51423411155 is a deficient number, since it is larger than the sum of its proper divisors (13537491565).

51423411155 is a wasteful number, since it uses less digits than its factorization.

51423411155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957310.

The product of its digits is 12000, while the sum is 32.

The spelling of 51423411155 in words is "fifty-one billion, four hundred twenty-three million, four hundred eleven thousand, one hundred fifty-five".