1103400321380 has 48 divisors (see below), whose sum is σ = 2677915416960. Its totient is φ = 374058018048.

The previous prime is 1103400321379. The next prime is 1103400321407. The reversal of 1103400321380 is 831230043011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44265242 + ... + 44290161.

It is an arithmetic number, because the mean of its divisors is an integer number (55789904520).

Almost surely, 2^{1103400321380} is an apocalyptic number.

1103400321380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103400321380 is an abundant number, since it is smaller than the sum of its proper divisors (1574515095580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1103400321380 is a wasteful number, since it uses less digits than its factorization.

1103400321380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88555508 (or 88555506 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 1103400321380 its reverse (831230043011), we get a palindrome (1934630364391).

The spelling of 1103400321380 in words is "one trillion, one hundred three billion, four hundred million, three hundred twenty-one thousand, three hundred eighty".