1134121165531 has 8 divisors (see below), whose sum is σ = 1145379691728. Its totient is φ = 1122863220000.

The previous prime is 1134121165519. The next prime is 1134121165549. The reversal of 1134121165531 is 1355611214311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1134121165531 is a prime.

It is a super-2 number, since 2×1134121165531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1134121165501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4520941 + ... + 4765201.

It is an arithmetic number, because the mean of its divisors is an integer number (143172461466).

Almost surely, 2^{1134121165531} is an apocalyptic number.

1134121165531 is a deficient number, since it is larger than the sum of its proper divisors (11258526197).

1134121165531 is a wasteful number, since it uses less digits than its factorization.

1134121165531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290333.

The product of its digits is 10800, while the sum is 34.

Adding to 1134121165531 its reverse (1355611214311), we get a palindrome (2489732379842).

The spelling of 1134121165531 in words is "one trillion, one hundred thirty-four billion, one hundred twenty-one million, one hundred sixty-five thousand, five hundred thirty-one".