1103381540858 has 4 divisors (see below), whose sum is σ = 1655072311290. Its totient is φ = 551690770428.

The previous prime is 1103381540809. The next prime is 1103381540873. The reversal of 1103381540858 is 8580451833011.

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

It can be written as a sum of positive squares in only one way, i.e., 666226515529 + 437155025329 = 816227^2 + 661177^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275845385213 + ... + 275845385216.

Almost surely, 2^{1103381540858} is an apocalyptic number.

1103381540858 is a deficient number, since it is larger than the sum of its proper divisors (551690770432).

1103381540858 is an equidigital number, since it uses as much as digits as its factorization.

1103381540858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551690770431.

The product of its (nonzero) digits is 460800, while the sum is 47.

The spelling of 1103381540858 in words is "one trillion, one hundred three billion, three hundred eighty-one million, five hundred forty thousand, eight hundred fifty-eight".