1161679382531 has 4 divisors (see below), whose sum is σ = 1161707096064. Its totient is φ = 1161651669000.

The previous prime is 1161679382509. The next prime is 1161679382597. The reversal of 1161679382531 is 1352839761611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1161679382531 - 2¹⁴ = 1161679366147 is a prime.

It is a super-2 number, since 2×1161679382531² (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 (1161672382531) 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 3 ways as a sum of consecutive naturals, for example, 13793795 + ... + 13877756.

It is an arithmetic number, because the mean of its divisors is an integer number (290426774016).

Almost surely, 2^{1161679382531} is an apocalyptic number.

1161679382531 is a deficient number, since it is larger than the sum of its proper divisors (27713533).

1161679382531 is an equidigital number, since it uses as much as digits as its factorization.

1161679382531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27713532.

The product of its digits is 1632960, while the sum is 53.

The spelling of 1161679382531 in words is "one trillion, one hundred sixty-one billion, six hundred seventy-nine million, three hundred eighty-two thousand, five hundred thirty-one".