69144221111 has 16 divisors (see below), whose sum is σ = 79412728320. Its totient is φ = 58973687520.

The previous prime is 69144221101. The next prime is 69144221119. The reversal of 69144221111 is 11112244196.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69144221111 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 (69144221119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3229301 + ... + 3250641.

It is an arithmetic number, because the mean of its divisors is an integer number (4963295520).

Almost surely, 2^69144221111 is an apocalyptic number.

69144221111 is a deficient number, since it is larger than the sum of its proper divisors (10268507209).

69144221111 is a wasteful number, since it uses less digits than its factorization.

69144221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23614.

The product of its digits is 3456, while the sum is 32.

The spelling of 69144221111 in words is "sixty-nine billion, one hundred forty-four million, two hundred twenty-one thousand, one hundred eleven".