1125013311 has 24 divisors (see below), whose sum is σ = 1646658000. Its totient is φ = 740057472.

The previous prime is 1125013289. The next prime is 1125013363. The reversal of 1125013311 is 1133105211.

It is not a de Polignac number, because 1125013311 - 2⁹ = 1125012799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125093311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 494685 + ... + 496953.

It is an arithmetic number, because the mean of its divisors is an integer number (68610750).

Almost surely, 2^1125013311 is an apocalyptic number.

1125013311 is a deficient number, since it is larger than the sum of its proper divisors (521644689).

1125013311 is a wasteful number, since it uses less digits than its factorization.

1125013311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983 (or 2980 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1125013311 is about 33541.2180905822. The cubic root of 1125013311 is about 1040.0460134351.

Adding to 1125013311 its reverse (1133105211), we get a palindrome (2258118522).

The spelling of 1125013311 in words is "one billion, one hundred twenty-five million, thirteen thousand, three hundred eleven".