1115522303 has 16 divisors (see below), whose sum is σ = 1350768960. Its totient is φ = 899321856.

The previous prime is 1115522279. The next prime is 1115522347. The reversal of 1115522303 is 3032255111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1115522303 - 2⁸ = 1115522047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115522003) 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, 308675 + ... + 312267.

It is an arithmetic number, because the mean of its divisors is an integer number (84423060).

Almost surely, 2^1115522303 is an apocalyptic number.

1115522303 is a deficient number, since it is larger than the sum of its proper divisors (235246657).

1115522303 is a wasteful number, since it uses less digits than its factorization.

1115522303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226.

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

The square root of 1115522303 is about 33399.4356688852. The cubic root of 1115522303 is about 1037.1130186510.

Adding to 1115522303 its reverse (3032255111), we get a palindrome (4147777414).

The spelling of 1115522303 in words is "one billion, one hundred fifteen million, five hundred twenty-two thousand, three hundred three".