101601788791 has 2 divisors, whose sum is σ = 101601788792. Its totient is φ = 101601788790.

The previous prime is 101601788779. The next prime is 101601788797. The reversal of 101601788791 is 197887106101.

It is a strong prime.

It is an emirp because it is prime and its reverse (197887106101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101601788791 - 2²⁵ = 101568234359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101601788797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50800894395 + 50800894396.

It is an arithmetic number, because the mean of its divisors is an integer number (50800894396).

Almost surely, 2^101601788791 is an apocalyptic number.

101601788791 is a deficient number, since it is larger than the sum of its proper divisors (1).

101601788791 is an equidigital number, since it uses as much as digits as its factorization.

101601788791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 49.

The spelling of 101601788791 in words is "one hundred one billion, six hundred one million, seven hundred eighty-eight thousand, seven hundred ninety-one".