1103455515 has 16 divisors (see below), whose sum is σ = 1768290048. Its totient is φ = 587589216.

The previous prime is 1103455471. The next prime is 1103455541. The reversal of 1103455515 is 5155543011.

1103455515 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1103455515 - 2⁷ = 1103455387 is a prime.

It is a super-2 number, since 2×1103455515² = 2435228147167830450, which contains 22 as substring.

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, 47559 + ... + 66848.

It is an arithmetic number, because the mean of its divisors is an integer number (110518128).

Almost surely, 2^1103455515 is an apocalyptic number.

1103455515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1103455515 is a deficient number, since it is larger than the sum of its proper divisors (664834533).

1103455515 is a wasteful number, since it uses less digits than its factorization.

1103455515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115058.

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 1103455515 is about 33218.3009047724. The cubic root of 1103455515 is about 1033.3599126589.

Adding to 1103455515 its reverse (5155543011), we get a palindrome (6258998526).

The spelling of 1103455515 in words is "one billion, one hundred three million, four hundred fifty-five thousand, five hundred fifteen".