1134179811581 has 16 divisors (see below), whose sum is σ = 1156056922944. Its totient is φ = 1112509392384.

The previous prime is 1134179811533. The next prime is 1134179811587. The reversal of 1134179811581 is 1851189714311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1134179811581 is a prime.

It is a super-2 number, since 2×1134179811581² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134179811587) 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, 16998221 + ... + 17064813.

It is an arithmetic number, because the mean of its divisors is an integer number (72253557684).

Almost surely, 2^{1134179811581} is an apocalyptic number.

It is an amenable number.

1134179811581 is a deficient number, since it is larger than the sum of its proper divisors (21877111363).

1134179811581 is a wasteful number, since it uses less digits than its factorization.

1134179811581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68140.

The product of its digits is 241920, while the sum is 50.

The spelling of 1134179811581 in words is "one trillion, one hundred thirty-four billion, one hundred seventy-nine million, eight hundred eleven thousand, five hundred eighty-one".