101078004991 has 2 divisors, whose sum is σ = 101078004992. Its totient is φ = 101078004990.

The previous prime is 101078004953. The next prime is 101078005003. The reversal of 101078004991 is 199400870101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101078004991 - 2¹⁵ = 101077972223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101078004691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50539002495 + 50539002496.

It is an arithmetic number, because the mean of its divisors is an integer number (50539002496).

Almost surely, 2^101078004991 is an apocalyptic number.

101078004991 is a deficient number, since it is larger than the sum of its proper divisors (1).

101078004991 is an equidigital number, since it uses as much as digits as its factorization.

101078004991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 101078004991 in words is "one hundred one billion, seventy-eight million, four thousand, nine hundred ninety-one".