69112212011 has 4 divisors (see below), whose sum is σ = 69167107800. Its totient is φ = 69057316224.

The previous prime is 69112211981. The next prime is 69112212049. The reversal of 69112212011 is 11021221196.

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-69112212011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69112212061) 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, 27446006 + ... + 27448523.

It is an arithmetic number, because the mean of its divisors is an integer number (17291776950).

Almost surely, 2^69112212011 is an apocalyptic number.

69112212011 is a deficient number, since it is larger than the sum of its proper divisors (54895789).

69112212011 is a wasteful number, since it uses less digits than its factorization.

69112212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54895788.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 69112212011 in words is "sixty-nine billion, one hundred twelve million, two hundred twelve thousand, eleven".