72881508511 has 16 divisors (see below), whose sum is σ = 87684616960. Its totient is φ = 59176837440.

The previous prime is 72881508487. The next prime is 72881508527. The reversal of 72881508511 is 11580518827.

It is not a de Polignac number, because 72881508511 - 2⁷ = 72881508383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72881508551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2583595 + ... + 2611651.

It is an arithmetic number, because the mean of its divisors is an integer number (5480288560).

Almost surely, 2^72881508511 is an apocalyptic number.

72881508511 is a deficient number, since it is larger than the sum of its proper divisors (14803108449).

72881508511 is a wasteful number, since it uses less digits than its factorization.

72881508511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47614.

The product of its (nonzero) digits is 179200, while the sum is 46.

The spelling of 72881508511 in words is "seventy-two billion, eight hundred eighty-one million, five hundred eight thousand, five hundred eleven".