161112516051 has 8 divisors (see below), whose sum is σ = 214859680000. Its totient is φ = 107386848072.

The previous prime is 161112516041. The next prime is 161112516067. The reversal of 161112516051 is 150615211161.

161112516051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161112516051 - 2⁶ = 161112515987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161112516041) 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 7 ways as a sum of consecutive naturals, for example, 5356495 + ... + 5386488.

It is an arithmetic number, because the mean of its divisors is an integer number (26857460000).

Almost surely, 2^161112516051 is an apocalyptic number.

161112516051 is a deficient number, since it is larger than the sum of its proper divisors (53747163949).

161112516051 is a wasteful number, since it uses less digits than its factorization.

161112516051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10747985.

The product of its (nonzero) digits is 1800, while the sum is 30.

The spelling of 161112516051 in words is "one hundred sixty-one billion, one hundred twelve million, five hundred sixteen thousand, fifty-one".