72750107911 has 4 divisors (see below), whose sum is σ = 78346270072. Its totient is φ = 67153945752.

The previous prime is 72750107891. The next prime is 72750107953. The reversal of 72750107911 is 11970105727.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72750107911 - 2⁷ = 72750107783 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 (72750807911) 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 3 ways as a sum of consecutive naturals, for example, 2798081061 + ... + 2798081086.

It is an arithmetic number, because the mean of its divisors is an integer number (19586567518).

Almost surely, 2^72750107911 is an apocalyptic number.

72750107911 is a deficient number, since it is larger than the sum of its proper divisors (5596162161).

72750107911 is a wasteful number, since it uses less digits than its factorization.

72750107911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596162160.

The product of its (nonzero) digits is 30870, while the sum is 40.

The spelling of 72750107911 in words is "seventy-two billion, seven hundred fifty million, one hundred seven thousand, nine hundred eleven".