206715454125 has 32 divisors (see below), whose sum is σ = 344720952576. Its totient is φ = 110009000000.

The previous prime is 206715454093. The next prime is 206715454129. The reversal of 206715454125 is 521454517602.

It is not a de Polignac number, because 206715454125 - 2⁵ = 206715454093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206715454129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425001 + ... + 770750.

It is an arithmetic number, because the mean of its divisors is an integer number (10772529768).

Almost surely, 2^206715454125 is an apocalyptic number.

206715454125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206715454125 is a deficient number, since it is larger than the sum of its proper divisors (138005498451).

206715454125 is a wasteful number, since it uses less digits than its factorization.

206715454125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196230 (or 1196220 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 206715454125 in words is "two hundred six billion, seven hundred fifteen million, four hundred fifty-four thousand, one hundred twenty-five".