1103551320 has 64 divisors (see below), whose sum is σ = 3314020320. Its totient is φ = 293981184.

The previous prime is 1103551283. The next prime is 1103551327. The reversal of 1103551320 is 231553011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103551327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129924 + ... + 138156.

Almost surely, 2^1103551320 is an apocalyptic number.

1103551320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103551320 is an abundant number, since it is smaller than the sum of its proper divisors (2210469000).

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

1103551320 is a wasteful number, since it uses less digits than its factorization.

1103551320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9364 (or 9360 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1103551320 is about 33219.7429249535. The cubic root of 1103551320 is about 1033.3898181633.

The spelling of 1103551320 in words is "one billion, one hundred three million, five hundred fifty-one thousand, three hundred twenty".