51534022043515 has 128 divisors (see below), whose sum is σ = 70222505472000. Its totient is φ = 35980761600000.

The previous prime is 51534022043501. The next prime is 51534022043519.

51534022043515 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-51534022043515 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51534022043519) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 34378933236 + ... + 34378934734.

It is an arithmetic number, because the mean of its divisors is an integer number (548613324000).

Almost surely, 2^{51534022043515} is an apocalyptic number.

51534022043515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51534022043515 is a deficient number, since it is larger than the sum of its proper divisors (18688483428485).

51534022043515 is a wasteful number, since it uses less digits than its factorization.

51534022043515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485.

The product of its (nonzero) digits is 360000, while the sum is 40.

It can be divided in two parts, 5153402 and 2043515, that added together give a palindrome (7196917).

The spelling of 51534022043515 in words is "fifty-one trillion, five hundred thirty-four billion, twenty-two million, forty-three thousand, five hundred fifteen".