72313126511 has 8 divisors (see below), whose sum is σ = 72989004000. Its totient is φ = 71637475680.

The previous prime is 72313126441. The next prime is 72313126541. The reversal of 72313126511 is 11562131327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72313126511 - 2¹⁴ = 72313110127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72313126541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622181 + ... + 729201.

It is an arithmetic number, because the mean of its divisors is an integer number (9123625500).

Almost surely, 2^72313126511 is an apocalyptic number.

72313126511 is a deficient number, since it is larger than the sum of its proper divisors (675877489).

72313126511 is a wasteful number, since it uses less digits than its factorization.

72313126511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113329.

The product of its digits is 7560, while the sum is 32.

Adding to 72313126511 its reverse (11562131327), we get a palindrome (83875257838).

The spelling of 72313126511 in words is "seventy-two billion, three hundred thirteen million, one hundred twenty-six thousand, five hundred eleven".