131133204115111 has 16 divisors (see below), whose sum is σ = 147987819123840. Its totient is φ = 115100852886880.

The previous prime is 131133204115097. The next prime is 131133204115153. The reversal of 131133204115111 is 111511402331131.

It is a cyclic number.

It is not a de Polignac number, because 131133204115111 - 2²³ = 131133195726503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131133204115111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131133204115181) 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, 133102260 + ... + 134083846.

It is an arithmetic number, because the mean of its divisors is an integer number (9249238695240).

Almost surely, 2^{131133204115111} is an apocalyptic number.

131133204115111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131133204115111 is a deficient number, since it is larger than the sum of its proper divisors (16854615008729).

131133204115111 is a wasteful number, since it uses less digits than its factorization.

131133204115111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400414.

The product of its (nonzero) digits is 1080, while the sum is 28.

Adding to 131133204115111 its reverse (111511402331131), we get a palindrome (242644606446242).

The spelling of 131133204115111 in words is "one hundred thirty-one trillion, one hundred thirty-three billion, two hundred four million, one hundred fifteen thousand, one hundred eleven".