51234156052503 has 128 divisors (see below), whose sum is σ = 73116454354944. Its totient is φ = 31873289011200.

The previous prime is 51234156052489. The next prime is 51234156052529. The reversal of 51234156052503 is 30525065143215.

It is not a de Polignac number, because 51234156052503 - 2¹⁸ = 51234155790359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51234156052603) 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 127 ways as a sum of consecutive naturals, for example, 16415940783 + ... + 16415943903.

It is an arithmetic number, because the mean of its divisors is an integer number (571222299648).

Almost surely, 2^{51234156052503} is an apocalyptic number.

51234156052503 is a deficient number, since it is larger than the sum of its proper divisors (21882298302441).

51234156052503 is a wasteful number, since it uses less digits than its factorization.

51234156052503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 51234156052503 in words is "fifty-one trillion, two hundred thirty-four billion, one hundred fifty-six million, fifty-two thousand, five hundred three".