361543340155 has 4 divisors (see below), whose sum is σ = 433852008192. Its totient is φ = 289234672120.

The previous prime is 361543340143. The next prime is 361543340159. The reversal of 361543340155 is 551043345163.

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

It is not a de Polignac number, because 361543340155 - 2¹⁹ = 361542815867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361543340159) 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, 36154334011 + ... + 36154334020.

It is an arithmetic number, because the mean of its divisors is an integer number (108463002048).

Almost surely, 2^361543340155 is an apocalyptic number.

361543340155 is a deficient number, since it is larger than the sum of its proper divisors (72308668037).

361543340155 is an equidigital number, since it uses as much as digits as its factorization.

361543340155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72308668036.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 361543340155 in words is "three hundred sixty-one billion, five hundred forty-three million, three hundred forty thousand, one hundred fifty-five".