1115455103 has 4 divisors (see below), whose sum is σ = 1274805840. Its totient is φ = 956104368.

The previous prime is 1115455091. The next prime is 1115455139. The reversal of 1115455103 is 3015545111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1115455103 - 2⁶ = 1115455039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115455163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79675358 + ... + 79675371.

It is an arithmetic number, because the mean of its divisors is an integer number (318701460).

Almost surely, 2^1115455103 is an apocalyptic number.

1115455103 is a deficient number, since it is larger than the sum of its proper divisors (159350737).

1115455103 is an equidigital number, since it uses as much as digits as its factorization.

1115455103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159350736.

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 1115455103 is about 33398.4296487125. The cubic root of 1115455103 is about 1037.0921927132.

The spelling of 1115455103 in words is "one billion, one hundred fifteen million, four hundred fifty-five thousand, one hundred three".