1103115664 has 20 divisors (see below), whose sum is σ = 2442613504. Its totient is φ = 472763808.

The previous prime is 1103115653. The next prime is 1103115691. The reversal of 1103115664 is 4665113011.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 4924512 + ... + 4924735.

Almost surely, 2^1103115664 is an apocalyptic number.

1103115664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1103115664 is an abundant number, since it is smaller than the sum of its proper divisors (1339497840).

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

1103115664 is an equidigital number, since it uses as much as digits as its factorization.

1103115664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9849262 (or 9849256 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1103115664 is about 33213.1850926707. The cubic root of 1103115664 is about 1033.2538142994.

Adding to 1103115664 its reverse (4665113011), we get a palindrome (5768228675).

The spelling of 1103115664 in words is "one billion, one hundred three million, one hundred fifteen thousand, six hundred sixty-four".