1078344561939 has 16 divisors (see below), whose sum is σ = 1445323900800. Its totient is φ = 715131219456.

The previous prime is 1078344561929. The next prime is 1078344561953. The reversal of 1078344561939 is 9391654438701.

It is not a de Polignac number, because 1078344561939 - 2¹¹ = 1078344559891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1078344561929) 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 in 15 ways as a sum of consecutive naturals, for example, 13055232 + ... + 13137570.

It is an arithmetic number, because the mean of its divisors is an integer number (90332743800).

Almost surely, 2^{1078344561939} is an apocalyptic number.

1078344561939 is a deficient number, since it is larger than the sum of its proper divisors (366979338861).

1078344561939 is a wasteful number, since it uses less digits than its factorization.

1078344561939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105154.

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 1078344561939 in words is "one trillion, seventy-eight billion, three hundred forty-four million, five hundred sixty-one thousand, nine hundred thirty-nine".