103278845591 has 2 divisors, whose sum is σ = 103278845592. Its totient is φ = 103278845590.

The previous prime is 103278845581. The next prime is 103278845627. The reversal of 103278845591 is 195548872301.

It is a weak prime.

It is an emirp because it is prime and its reverse (195548872301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103278845591 - 2²² = 103274651287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103278845581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51639422795 + 51639422796.

It is an arithmetic number, because the mean of its divisors is an integer number (51639422796).

Almost surely, 2^103278845591 is an apocalyptic number.

103278845591 is a deficient number, since it is larger than the sum of its proper divisors (1).

103278845591 is an equidigital number, since it uses as much as digits as its factorization.

103278845591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 103278845591 in words is "one hundred three billion, two hundred seventy-eight million, eight hundred forty-five thousand, five hundred ninety-one".