2881559161149 has 4 divisors (see below), whose sum is σ = 3842078881536. Its totient is φ = 1921039440764.

The previous prime is 2881559161073. The next prime is 2881559161171. The reversal of 2881559161149 is 9411619551882.

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 2881559161149 - 2⁷ = 2881559161021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2881559161092 and 2881559161101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2881559161049) 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, 480259860189 + ... + 480259860194.

It is an arithmetic number, because the mean of its divisors is an integer number (960519720384).

Almost surely, 2^{2881559161149} is an apocalyptic number.

It is an amenable number.

2881559161149 is a deficient number, since it is larger than the sum of its proper divisors (960519720387).

2881559161149 is an equidigital number, since it uses as much as digits as its factorization.

2881559161149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960519720386.

The product of its digits is 6220800, while the sum is 60.

The spelling of 2881559161149 in words is "two trillion, eight hundred eighty-one billion, five hundred fifty-nine million, one hundred sixty-one thousand, one hundred forty-nine".