201797835825111 has 4 divisors (see below), whose sum is σ = 269063781100152. Its totient is φ = 134531890550072.

The previous prime is 201797835825107. The next prime is 201797835825143. The reversal of 201797835825111 is 111528538797102.

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 201797835825111 - 2² = 201797835825107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201797835825511) 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, 33632972637516 + ... + 33632972637521.

It is an arithmetic number, because the mean of its divisors is an integer number (67265945275038).

Almost surely, 2^{201797835825111} is an apocalyptic number.

201797835825111 is a deficient number, since it is larger than the sum of its proper divisors (67265945275041).

201797835825111 is an equidigital number, since it uses as much as digits as its factorization.

201797835825111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67265945275040.

The product of its (nonzero) digits is 8467200, while the sum is 60.

The spelling of 201797835825111 in words is "two hundred one trillion, seven hundred ninety-seven billion, eight hundred thirty-five million, eight hundred twenty-five thousand, one hundred eleven".