1103381521408 has 44 divisors (see below), whose sum is σ = 2205821162160. Its totient is φ = 551656835072.

The previous prime is 1103381521381. The next prime is 1103381521427. The reversal of 1103381521408 is 8041251833011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29311623 + ... + 29349241.

It is an arithmetic number, because the mean of its divisors is an integer number (50132299140).

Almost surely, 2^{1103381521408} is an apocalyptic number.

It is an amenable number.

1103381521408 is a deficient number, since it is larger than the sum of its proper divisors (1102439640752).

1103381521408 is an equidigital number, since it uses as much as digits as its factorization.

1103381521408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66282 (or 66264 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 1103381521408 in words is "one trillion, one hundred three billion, three hundred eighty-one million, five hundred twenty-one thousand, four hundred eight".