140220111505 has 16 divisors (see below), whose sum is σ = 168505444800. Its totient is φ = 112015339200.

The previous prime is 140220111461. The next prime is 140220111527. The reversal of 140220111505 is 505111022041.

It is not a de Polignac number, because 140220111505 - 2⁹ = 140220110993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11255530 + ... + 11267980.

It is an arithmetic number, because the mean of its divisors is an integer number (10531590300).

Almost surely, 2^140220111505 is an apocalyptic number.

It is an amenable number.

140220111505 is a deficient number, since it is larger than the sum of its proper divisors (28285333295).

140220111505 is a wasteful number, since it uses less digits than its factorization.

140220111505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15504.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 140220111505 its reverse (505111022041), we get a palindrome (645331133546).

The spelling of 140220111505 in words is "one hundred forty billion, two hundred twenty million, one hundred eleven thousand, five hundred five".