1115211148 has 6 divisors (see below), whose sum is σ = 1951619516. Its totient is φ = 557605572.

The previous prime is 1115211133. The next prime is 1115211173. The reversal of 1115211148 is 8411125111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139401390 + ... + 139401397.

Almost surely, 2^1115211148 is an apocalyptic number.

It is an amenable number.

1115211148 is a deficient number, since it is larger than the sum of its proper divisors (836408368).

1115211148 is a wasteful number, since it uses less digits than its factorization.

1115211148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278802791 (or 278802789 counting only the distinct ones).

The product of its digits is 320, while the sum is 25.

The square root of 1115211148 is about 33394.7772563316. Note that the first 3 decimals coincide. The cubic root of 1115211148 is about 1037.0165816399.

Adding to 1115211148 its reverse (8411125111), we get a palindrome (9526336259).

The spelling of 1115211148 in words is "one billion, one hundred fifteen million, two hundred eleven thousand, one hundred forty-eight".