1113141515 has 8 divisors (see below), whose sum is σ = 1338428448. Its totient is φ = 888740800.

The previous prime is 1113141509. The next prime is 1113141517. The reversal of 1113141515 is 5151413111.

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

It is a de Polignac number, because none of the positive numbers 2^k-1113141515 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113141517) 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, 218786 + ... + 223815.

It is an arithmetic number, because the mean of its divisors is an integer number (167303556).

Almost surely, 2^1113141515 is an apocalyptic number.

1113141515 is a deficient number, since it is larger than the sum of its proper divisors (225286933).

1113141515 is an equidigital number, since it uses as much as digits as its factorization.

1113141515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443109.

The product of its digits is 300, while the sum is 23.

The square root of 1113141515 is about 33363.7754907924. The cubic root of 1113141515 is about 1036.3746784466.

Adding to 1113141515 its reverse (5151413111), we get a palindrome (6264554626).

The spelling of 1113141515 in words is "one billion, one hundred thirteen million, one hundred forty-one thousand, five hundred fifteen".