204152043241251 has 80 divisors (see below), whose sum is σ = 349210426346496. Its totient is φ = 116432186742144.

The previous prime is 204152043241219. The next prime is 204152043241283. The reversal of 204152043241251 is 152142340251402.

204152043241251 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 5 + 204 + 32 + 412 + 5 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (204152043241219) and next prime (204152043241283).

It is not a de Polignac number, because 204152043241251 - 2⁵ = 204152043241219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204152043241291) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3289719415 + ... + 3289781471.

Almost surely, 2^{204152043241251} is an apocalyptic number.

204152043241251 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

204152043241251 is a deficient number, since it is larger than the sum of its proper divisors (145058383105245).

204152043241251 is a wasteful number, since it uses less digits than its factorization.

204152043241251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73230 (or 73221 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 204152043241251 its reverse (152142340251402), we get a palindrome (356294383492653).

The spelling of 204152043241251 in words is "two hundred four trillion, one hundred fifty-two billion, forty-three million, two hundred forty-one thousand, two hundred fifty-one".