1103625648 has 100 divisors (see below), whose sum is σ = 3227510440. Its totient is φ = 364041216.

The previous prime is 1103625641. The next prime is 1103625689. The reversal of 1103625648 is 8465263011.

It is a happy number.

1103625648 is a `hidden beast` number, since 1 + 1 + 0 + 3 + 6 + 2 + 5 + 648 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103625641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 121323 + ... + 130101.

Almost surely, 2^1103625648 is an apocalyptic number.

1103625648 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 1103625648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613755220).

1103625648 is an abundant number, since it is smaller than the sum of its proper divisors (2123884792).

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

1103625648 is an equidigital number, since it uses as much as digits as its factorization.

1103625648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8896 (or 8881 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1103625648 is about 33220.8616384344. The cubic root of 1103625648 is about 1033.4130184358.

Adding to 1103625648 its reverse (8465263011), we get a palindrome (9568888659).

The spelling of 1103625648 in words is "one billion, one hundred three million, six hundred twenty-five thousand, six hundred forty-eight".