4431151460161 has 4 divisors (see below), whose sum is σ = 4443494500800. Its totient is φ = 4418808419524.

The previous prime is 4431151460143. The next prime is 4431151460171. The reversal of 4431151460161 is 1610641511344.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4431151460161 - 2¹⁷ = 4431151329089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4431151460161.

It is not an unprimeable number, because it can be changed into a prime (4431151460171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6171519781 + ... + 6171520498.

It is an arithmetic number, because the mean of its divisors is an integer number (1110873625200).

Almost surely, 2^{4431151460161} is an apocalyptic number.

It is an amenable number.

4431151460161 is a deficient number, since it is larger than the sum of its proper divisors (12343040639).

4431151460161 is a wasteful number, since it uses less digits than its factorization.

4431151460161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12343040638.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 4431151460161 in words is "four trillion, four hundred thirty-one billion, one hundred fifty-one million, four hundred sixty thousand, one hundred sixty-one".