1113155506 has 8 divisors (see below), whose sum is σ = 1671018624. Its totient is φ = 556149300.

The previous prime is 1113155503. The next prime is 1113155509. The reversal of 1113155506 is 6055513111.

It is an interprime number because it is at equal distance from previous prime (1113155503) and next prime (1113155509).

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

It is not an unprimeable number, because it can be changed into a prime (1113155503) 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, 210970 + ... + 216181.

It is an arithmetic number, because the mean of its divisors is an integer number (208877328).

Almost surely, 2^1113155506 is an apocalyptic number.

1113155506 is a deficient number, since it is larger than the sum of its proper divisors (557863118).

1113155506 is a wasteful number, since it uses less digits than its factorization.

1113155506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428456.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 1113155506 is about 33363.9851636461. The cubic root of 1113155506 is about 1036.3790204694.

Adding to 1113155506 its reverse (6055513111), we get a palindrome (7168668617).

The spelling of 1113155506 in words is "one billion, one hundred thirteen million, one hundred fifty-five thousand, five hundred six".