1131224343135 has 32 divisors (see below), whose sum is σ = 1837179042048. Its totient is φ = 594311800320.

The previous prime is 1131224343131. The next prime is 1131224343163. The reversal of 1131224343135 is 5313434221311.

It is not a de Polignac number, because 1131224343135 - 2² = 1131224343131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131224343096 and 1131224343105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131224343131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1770921 + ... + 2323490.

It is an arithmetic number, because the mean of its divisors is an integer number (57411845064).

Almost surely, 2^{1131224343135} is an apocalyptic number.

1131224343135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1131224343135 is a deficient number, since it is larger than the sum of its proper divisors (705954698913).

1131224343135 is a wasteful number, since it uses less digits than its factorization.

1131224343135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094695.

The product of its digits is 25920, while the sum is 33.

Adding to 1131224343135 its reverse (5313434221311), we get a palindrome (6444658564446).

The spelling of 1131224343135 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-four million, three hundred forty-three thousand, one hundred thirty-five".