1161032044531 has 8 divisors (see below), whose sum is σ = 1164475908720. Its totient is φ = 1157588743968.

The previous prime is 1161032044499. The next prime is 1161032044567. The reversal of 1161032044531 is 1354402301611.

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

It is a cyclic number.

It is not a de Polignac number, because 1161032044531 - 2⁵ = 1161032044499 is a prime.

It is a super-2 number, since 2×1161032044531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1161032044493 and 1161032044502.

It is not an unprimeable number, because it can be changed into a prime (1161032044031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4181125 + ... + 4450153.

It is an arithmetic number, because the mean of its divisors is an integer number (145559488590).

Almost surely, 2^{1161032044531} is an apocalyptic number.

1161032044531 is a deficient number, since it is larger than the sum of its proper divisors (3443864189).

1161032044531 is a wasteful number, since it uses less digits than its factorization.

1161032044531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281813.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 1161032044531 in words is "one trillion, one hundred sixty-one billion, thirty-two million, forty-four thousand, five hundred thirty-one".