133115343111 has 8 divisors (see below), whose sum is σ = 197207915760. Its totient is φ = 88743562056.

The previous prime is 133115343073. The next prime is 133115343113. The reversal of 133115343111 is 111343511331.

133115343111 is a `hidden beast` number, since 1 + 3 + 3 + 11 + 534 + 3 + 111 = 666.

It is not a de Polignac number, because 133115343111 - 2¹⁵ = 133115310343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4930197893 = 133115343111 / (1 + 3 + 3 + 1 + 1 + 5 + 3 + 4 + 3 + 1 + 1 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133115343113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2465098920 + ... + 2465098973.

It is an arithmetic number, because the mean of its divisors is an integer number (24650989470).

Almost surely, 2^133115343111 is an apocalyptic number.

133115343111 is a deficient number, since it is larger than the sum of its proper divisors (64092572649).

133115343111 is an equidigital number, since it uses as much as digits as its factorization.

133115343111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4930197902 (or 4930197896 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

Adding to 133115343111 its reverse (111343511331), we get a palindrome (244458854442).

The spelling of 133115343111 in words is "one hundred thirty-three billion, one hundred fifteen million, three hundred forty-three thousand, one hundred eleven".