1611302125161 has 16 divisors (see below), whose sum is σ = 2151146658240. Its totient is φ = 1072830131520.

The previous prime is 1611302125141. The next prime is 1611302125183. The reversal of 1611302125161 is 1615212031161.

It is not a de Polignac number, because 1611302125161 - 2¹⁷ = 1611301994089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1611302125141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10504131 + ... + 10656423.

It is an arithmetic number, because the mean of its divisors is an integer number (134446666140).

Almost surely, 2^{1611302125161} is an apocalyptic number.

It is an amenable number.

1611302125161 is a deficient number, since it is larger than the sum of its proper divisors (539844533079).

1611302125161 is a wasteful number, since it uses less digits than its factorization.

1611302125161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156776.

The product of its (nonzero) digits is 2160, while the sum is 30.

The spelling of 1611302125161 in words is "one trillion, six hundred eleven billion, three hundred two million, one hundred twenty-five thousand, one hundred sixty-one".