205258151112 has 128 divisors (see below), whose sum is σ = 598035052800. Its totient is φ = 57488790528.

The previous prime is 205258151101. The next prime is 205258151171. The reversal of 205258151112 is 211151852502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10933638 + ... + 10952394.

It is an arithmetic number, because the mean of its divisors is an integer number (4672148850).

Almost surely, 2^205258151112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 205258151112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299017526400).

205258151112 is an abundant number, since it is smaller than the sum of its proper divisors (392776901688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205258151112 is a wasteful number, since it uses less digits than its factorization.

205258151112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20055 (or 20051 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 33.

The spelling of 205258151112 in words is "two hundred five billion, two hundred fifty-eight million, one hundred fifty-one thousand, one hundred twelve".