205026122525 has 24 divisors (see below), whose sum is σ = 290608691520. Its totient is φ = 140561573760.

The previous prime is 205026122519. The next prime is 205026122531. The reversal of 205026122525 is 525221620502.

It is an interprime number because it is at equal distance from previous prime (205026122519) and next prime (205026122531).

It is not a de Polignac number, because 205026122525 - 2⁸ = 205026122269 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 205026122491 and 205026122500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 793217 + ... + 1019433.

It is an arithmetic number, because the mean of its divisors is an integer number (12108695480).

Almost surely, 2^205026122525 is an apocalyptic number.

205026122525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205026122525 is a deficient number, since it is larger than the sum of its proper divisors (85582568995).

205026122525 is a wasteful number, since it uses less digits than its factorization.

205026122525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231413 (or 231408 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 205026122525 in words is "two hundred five billion, twenty-six million, one hundred twenty-two thousand, five hundred twenty-five".