161124015144959 has 4 divisors (see below), whose sum is σ = 162024149307960. Its totient is φ = 160223880981960.

The previous prime is 161124015144949. The next prime is 161124015144971. The reversal of 161124015144959 is 959441510421161.

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 161124015144959 - 2⁴ = 161124015144943 is a prime.

It is a super-2 number, since 2×161124015144959² (a number of 29 digits) contains 22 as substring.

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 161124015144959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161124015144949) 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, 450067081232 + ... + 450067081589.

It is an arithmetic number, because the mean of its divisors is an integer number (40506037326990).

Almost surely, 2^{161124015144959} is an apocalyptic number.

161124015144959 is a deficient number, since it is larger than the sum of its proper divisors (900134163001).

161124015144959 is an equidigital number, since it uses as much as digits as its factorization.

161124015144959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900134163000.

The product of its (nonzero) digits is 1555200, while the sum is 53.

The spelling of 161124015144959 in words is "one hundred sixty-one trillion, one hundred twenty-four billion, fifteen million, one hundred forty-four thousand, nine hundred fifty-nine".