206325113630551 has 4 divisors (see below), whose sum is σ = 208218004581400. Its totient is φ = 204432222679704.

The previous prime is 206325113630501. The next prime is 206325113630569. The reversal of 206325113630551 is 155036311523602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 206325113630551 - 2¹⁵ = 206325113597783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206325113630498 and 206325113630507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206325113630501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946445475261 + ... + 946445475478.

It is an arithmetic number, because the mean of its divisors is an integer number (52054501145350).

Almost surely, 2^{206325113630551} is an apocalyptic number.

206325113630551 is a deficient number, since it is larger than the sum of its proper divisors (1892890950849).

206325113630551 is a wasteful number, since it uses less digits than its factorization.

206325113630551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892890950848.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 206325113630551 in words is "two hundred six trillion, three hundred twenty-five billion, one hundred thirteen million, six hundred thirty thousand, five hundred fifty-one".