1078939908203 has 2 divisors, whose sum is σ = 1078939908204. Its totient is φ = 1078939908202.

The previous prime is 1078939908199. The next prime is 1078939908217. The reversal of 1078939908203 is 3028099398701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1078939908203 - 2² = 1078939908199 is a prime.

It is a super-2 number, since 2×1078939908203² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1078939908223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539469954101 + 539469954102.

It is an arithmetic number, because the mean of its divisors is an integer number (539469954102).

Almost surely, 2^{1078939908203} is an apocalyptic number.

1078939908203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078939908203 is an equidigital number, since it uses as much as digits as its factorization.

1078939908203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 1078939908203 in words is "one trillion, seventy-eight billion, nine hundred thirty-nine million, nine hundred eight thousand, two hundred three".