51164302155 has 16 divisors (see below), whose sum is σ = 82587336480. Its totient is φ = 27046143488.

The previous prime is 51164302081. The next prime is 51164302157. The reversal of 51164302155 is 55120346115.

It is a cyclic number.

It is not a de Polignac number, because 51164302155 - 2¹⁹ = 51163777867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51164302157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15091020 + ... + 15094409.

It is an arithmetic number, because the mean of its divisors is an integer number (5161708530).

Almost surely, 2^51164302155 is an apocalyptic number.

51164302155 is a deficient number, since it is larger than the sum of its proper divisors (31423034325).

51164302155 is a wasteful number, since it uses less digits than its factorization.

51164302155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30185550.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 51164302155 in words is "fifty-one billion, one hundred sixty-four million, three hundred two thousand, one hundred fifty-five".