1078371536873 has 2 divisors, whose sum is σ = 1078371536874. Its totient is φ = 1078371536872.

The previous prime is 1078371536857. The next prime is 1078371536897. The reversal of 1078371536873 is 3786351738701.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 675771134809 + 402600402064 = 822053^2 + 634508^2 .

It is a cyclic number.

It is not a de Polignac number, because 1078371536873 - 2⁴ = 1078371536857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1078371536833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539185768436 + 539185768437.

It is an arithmetic number, because the mean of its divisors is an integer number (539185768437).

Almost surely, 2^{1078371536873} is an apocalyptic number.

It is an amenable number.

1078371536873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078371536873 is an equidigital number, since it uses as much as digits as its factorization.

1078371536873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17781120, while the sum is 59.

The spelling of 1078371536873 in words is "one trillion, seventy-eight billion, three hundred seventy-one million, five hundred thirty-six thousand, eight hundred seventy-three".