1078861038718 has 4 divisors (see below), whose sum is σ = 1618291558080. Its totient is φ = 539430519358.

The previous prime is 1078861038713. The next prime is 1078861038719. The reversal of 1078861038718 is 8178301688701.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1078861038718² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078861038713) 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 as a sum of consecutive naturals, namely, 269715259678 + ... + 269715259681.

It is an arithmetic number, because the mean of its divisors is an integer number (404572889520).

Almost surely, 2^{1078861038718} is an apocalyptic number.

1078861038718 is a deficient number, since it is larger than the sum of its proper divisors (539430519362).

1078861038718 is an equidigital number, since it uses as much as digits as its factorization.

1078861038718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539430519361.

The product of its (nonzero) digits is 3612672, while the sum is 58.

The spelling of 1078861038718 in words is "one trillion, seventy-eight billion, eight hundred sixty-one million, thirty-eight thousand, seven hundred eighteen".