1103551488 has 264 divisors, whose sum is σ = 3510948896. Its totient is φ = 331776000.

The previous prime is 1103551451. The next prime is 1103551499. The reversal of 1103551488 is 8841553011.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7308213 + ... + 7308363.

Almost surely, 2^1103551488 is an apocalyptic number.

1103551488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103551488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1755474448).

1103551488 is an abundant number, since it is smaller than the sum of its proper divisors (2407397408).

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

1103551488 is a wasteful number, since it uses less digits than its factorization.

1103551488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The square root of 1103551488 is about 33219.7454535702. The cubic root of 1103551488 is about 1033.3898706030.

The spelling of 1103551488 in words is "one billion, one hundred three million, five hundred fifty-one thousand, four hundred eighty-eight".