1115503045 has 8 divisors (see below), whose sum is σ = 1338783480. Its totient is φ = 892282560.

The previous prime is 1115503001. The next prime is 1115503061. The reversal of 1115503045 is 5403055111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 128663649 + 986839396 = 11343^2 + 31414^2 .

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

It is not a de Polignac number, because 1115503045 - 2⁹ = 1115502533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60811 + ... + 76999.

It is an arithmetic number, because the mean of its divisors is an integer number (167347935).

Almost surely, 2^1115503045 is an apocalyptic number.

It is an amenable number.

1115503045 is a deficient number, since it is larger than the sum of its proper divisors (223280435).

1115503045 is a wasteful number, since it uses less digits than its factorization.

1115503045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29975.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1115503045 is about 33399.1473693566. The cubic root of 1115503045 is about 1037.1070504938.

Adding to 1115503045 its reverse (5403055111), we get a palindrome (6518558156).

The spelling of 1115503045 in words is "one billion, one hundred fifteen million, five hundred three thousand, forty-five".