1111225503 has 8 divisors (see below), whose sum is σ = 1481798448. Its totient is φ = 740734784.

The previous prime is 1111225499. The next prime is 1111225523. The reversal of 1111225503 is 3055221111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111225503 - 2² = 1111225499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111225503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111225523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26125 + ... + 53897.

It is an arithmetic number, because the mean of its divisors is an integer number (185224806).

Almost surely, 2^1111225503 is an apocalyptic number.

1111225503 is a deficient number, since it is larger than the sum of its proper divisors (370572945).

1111225503 is a wasteful number, since it uses less digits than its factorization.

1111225503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41113.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1111225503 is about 33335.0491675054. The cubic root of 1111225503 is about 1035.7797116511.

Adding to 1111225503 its reverse (3055221111), we get a palindrome (4166446614).

The spelling of 1111225503 in words is "one billion, one hundred eleven million, two hundred twenty-five thousand, five hundred three".