1125576511 has 16 divisors (see below), whose sum is σ = 1258709760. Its totient is φ = 1000252800.

The previous prime is 1125576509. The next prime is 1125576521. The reversal of 1125576511 is 1156755211.

It is not a de Polignac number, because 1125576511 - 2¹ = 1125576509 is a prime.

It is a super-2 number, since 2×1125576511² = 2533844964229866242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125576521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93486 + ... + 104836.

It is an arithmetic number, because the mean of its divisors is an integer number (78669360).

Almost surely, 2^1125576511 is an apocalyptic number.

1125576511 is a deficient number, since it is larger than the sum of its proper divisors (133133249).

1125576511 is a wasteful number, since it uses less digits than its factorization.

1125576511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11694.

The product of its digits is 10500, while the sum is 34.

The square root of 1125576511 is about 33549.6126803276. The cubic root of 1125576511 is about 1040.2195391437.

The spelling of 1125576511 in words is "one billion, one hundred twenty-five million, five hundred seventy-six thousand, five hundred eleven".