11580155947331 has 2 divisors, whose sum is σ = 11580155947332. Its totient is φ = 11580155947330.

The previous prime is 11580155947273. The next prime is 11580155947387. The reversal of 11580155947331 is 13374955108511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11580155947331 is a prime.

It is a super-2 number, since 2×11580155947331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11580157947331) 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 as a sum of consecutive naturals, namely, 5790077973665 + 5790077973666.

It is an arithmetic number, because the mean of its divisors is an integer number (5790077973666).

Almost surely, 2^{11580155947331} is an apocalyptic number.

11580155947331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11580155947331 is an equidigital number, since it uses as much as digits as its factorization.

11580155947331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268000, while the sum is 53.

The spelling of 11580155947331 in words is "eleven trillion, five hundred eighty billion, one hundred fifty-five million, nine hundred forty-seven thousand, three hundred thirty-one".