1125152511 has 16 divisors (see below), whose sum is σ = 1714992384. Its totient is φ = 642766464.

The previous prime is 1125152477. The next prime is 1125152519. The reversal of 1125152511 is 1152515211.

It is not a de Polignac number, because 1125152511 - 2⁶ = 1125152447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125152519) 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 15 ways as a sum of consecutive naturals, for example, 127116 + ... + 135678.

It is an arithmetic number, because the mean of its divisors is an integer number (107187024).

Almost surely, 2^1125152511 is an apocalyptic number.

1125152511 is a deficient number, since it is larger than the sum of its proper divisors (589839873).

1125152511 is an equidigital number, since it uses as much as digits as its factorization.

1125152511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14830.

The product of its digits is 500, while the sum is 24.

The square root of 1125152511 is about 33543.2930852056. The cubic root of 1125152511 is about 1040.0889072785.

Adding to 1125152511 its reverse (1152515211), we get a palindrome (2277667722).

The spelling of 1125152511 in words is "one billion, one hundred twenty-five million, one hundred fifty-two thousand, five hundred eleven".