1113550403 has 16 divisors (see below), whose sum is σ = 1303754496. Its totient is φ = 931180320.

The previous prime is 1113550393. The next prime is 1113550429. The reversal of 1113550403 is 3040553111.

It is not a de Polignac number, because 1113550403 - 2⁸ = 1113550147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113550433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348473 + ... + 351653.

It is an arithmetic number, because the mean of its divisors is an integer number (81484656).

Almost surely, 2^1113550403 is an apocalyptic number.

1113550403 is a deficient number, since it is larger than the sum of its proper divisors (190204093).

1113550403 is a wasteful number, since it uses less digits than its factorization.

1113550403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1113550403 is about 33369.9026519407. The cubic root of 1113550403 is about 1036.5015593771.

The spelling of 1113550403 in words is "one billion, one hundred thirteen million, five hundred fifty thousand, four hundred three".