206113837751 has 2 divisors, whose sum is σ = 206113837752. Its totient is φ = 206113837750.

The previous prime is 206113837747. The next prime is 206113837771. The reversal of 206113837751 is 157738311602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206113837751 - 2² = 206113837747 is a prime.

It is a super-2 number, since 2×206113837751² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206113837711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103056918875 + 103056918876.

It is an arithmetic number, because the mean of its divisors is an integer number (103056918876).

Almost surely, 2^206113837751 is an apocalyptic number.

206113837751 is a deficient number, since it is larger than the sum of its proper divisors (1).

206113837751 is an equidigital number, since it uses as much as digits as its factorization.

206113837751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 206113837751 in words is "two hundred six billion, one hundred thirteen million, eight hundred thirty-seven thousand, seven hundred fifty-one".