101193871488779 has 2 divisors, whose sum is σ = 101193871488780. Its totient is φ = 101193871488778.

The previous prime is 101193871488739. The next prime is 101193871488841. The reversal of 101193871488779 is 977884178391101.

It is a weak prime.

It is an emirp because it is prime and its reverse (977884178391101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101193871488779 - 2³⁶ = 101125152012043 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (101193871488739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50596935744389 + 50596935744390.

It is an arithmetic number, because the mean of its divisors is an integer number (50596935744390).

Almost surely, 2^{101193871488779} is an apocalyptic number.

101193871488779 is a deficient number, since it is larger than the sum of its proper divisors (1).

101193871488779 is an equidigital number, since it uses as much as digits as its factorization.

101193871488779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170698752, while the sum is 74.

The spelling of 101193871488779 in words is "one hundred one trillion, one hundred ninety-three billion, eight hundred seventy-one million, four hundred eighty-eight thousand, seven hundred seventy-nine".