72107224502511 has 16 divisors (see below), whose sum is σ = 108266565823488. Its totient is φ = 42291627273600.

The previous prime is 72107224502479. The next prime is 72107224502531. The reversal of 72107224502511 is 11520542270127.

It is not a de Polignac number, because 72107224502511 - 2⁵ = 72107224502479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72107224502511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72107224502531) 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, 35243021706 + ... + 35243023751.

It is an arithmetic number, because the mean of its divisors is an integer number (6766660363968).

Almost surely, 2^{72107224502511} is an apocalyptic number.

72107224502511 is a deficient number, since it is larger than the sum of its proper divisors (36159341320977).

72107224502511 is a wasteful number, since it uses less digits than its factorization.

72107224502511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70486045502.

The product of its (nonzero) digits is 78400, while the sum is 39.

Adding to 72107224502511 its reverse (11520542270127), we get a palindrome (83627766772638).

The spelling of 72107224502511 in words is "seventy-two trillion, one hundred seven billion, two hundred twenty-four million, five hundred two thousand, five hundred eleven".