205500231125154 has 192 divisors, whose sum is σ = 565958937922560. Its totient is φ = 54574610051520.

The previous prime is 205500231125141. The next prime is 205500231125171. The reversal of 205500231125154 is 451521132005502.

205500231125154 is a `hidden beast` number, since 2 + 0 + 5 + 5 + 0 + 0 + 23 + 112 + 515 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26567092 + ... + 33418719.

It is an arithmetic number, because the mean of its divisors is an integer number (2947702801680).

Almost surely, 2^{205500231125154} is an apocalyptic number.

205500231125154 is an abundant number, since it is smaller than the sum of its proper divisors (360458706797406).

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

205500231125154 is a wasteful number, since it uses less digits than its factorization.

205500231125154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59985907 (or 59985895 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 205500231125154 in words is "two hundred five trillion, five hundred billion, two hundred thirty-one million, one hundred twenty-five thousand, one hundred fifty-four".