78050273107531 has 2 divisors, whose sum is σ = 78050273107532. Its totient is φ = 78050273107530.

The previous prime is 78050273107517. The next prime is 78050273107567. The reversal of 78050273107531 is 13570137205087.

It is a weak prime.

It is an emirp because it is prime and its reverse (13570137205087) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78050273107531 - 2²¹ = 78050271010379 is a prime.

It is a super-2 number, since 2×78050273107531² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (78050273107831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39025136553765 + 39025136553766.

It is an arithmetic number, because the mean of its divisors is an integer number (39025136553766).

Almost surely, 2^{78050273107531} is an apocalyptic number.

78050273107531 is a deficient number, since it is larger than the sum of its proper divisors (1).

78050273107531 is an equidigital number, since it uses as much as digits as its factorization.

78050273107531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 78050273107531 in words is "seventy-eight trillion, fifty billion, two hundred seventy-three million, one hundred seven thousand, five hundred thirty-one".