79500080111 has 4 divisors (see below), whose sum is σ = 79502608272. Its totient is φ = 79497551952.

The previous prime is 79500080021. The next prime is 79500080119. The reversal of 79500080111 is 11108000597.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79500080111 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 (79500080119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1216310 + ... + 1280003.

It is an arithmetic number, because the mean of its divisors is an integer number (19875652068).

Almost surely, 2^79500080111 is an apocalyptic number.

79500080111 is a deficient number, since it is larger than the sum of its proper divisors (2528161).

79500080111 is a wasteful number, since it uses less digits than its factorization.

79500080111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528160.

The product of its (nonzero) digits is 2520, while the sum is 32.

The spelling of 79500080111 in words is "seventy-nine billion, five hundred million, eighty thousand, one hundred eleven".