1078515026587 has 2 divisors, whose sum is σ = 1078515026588. Its totient is φ = 1078515026586.

The previous prime is 1078515026557. The next prime is 1078515026623. The reversal of 1078515026587 is 7856205158701.

1078515026587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1078515026587 is a prime.

It is not a weakly prime, because it can be changed into another prime (1078515026557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539257513293 + 539257513294.

It is an arithmetic number, because the mean of its divisors is an integer number (539257513294).

Almost surely, 2^{1078515026587} is an apocalyptic number.

1078515026587 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078515026587 is an equidigital number, since it uses as much as digits as its factorization.

1078515026587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704000, while the sum is 55.

The spelling of 1078515026587 in words is "one trillion, seventy-eight billion, five hundred fifteen million, twenty-six thousand, five hundred eighty-seven".