1078861038713 has 2 divisors, whose sum is σ = 1078861038714. Its totient is φ = 1078861038712.

The previous prime is 1078861038679. The next prime is 1078861038719. The reversal of 1078861038713 is 3178301688701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1047095818729 + 31765219984 = 1023277^2 + 178228^2 .

It is a cyclic number.

It is not a de Polignac number, because 1078861038713 - 2³⁰ = 1077787296889 is a prime.

It is a super-2 number, since 2×1078861038713² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1078861038719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539430519356 + 539430519357.

It is an arithmetic number, because the mean of its divisors is an integer number (539430519357).

Almost surely, 2^{1078861038713} is an apocalyptic number.

It is an amenable number.

1078861038713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078861038713 is an equidigital number, since it uses as much as digits as its factorization.

1078861038713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 1078861038713 in words is "one trillion, seventy-eight billion, eight hundred sixty-one million, thirty-eight thousand, seven hundred thirteen".