1125536512 has 18 divisors (see below), whose sum is σ = 2246676908. Its totient is φ = 562768128.

The previous prime is 1125536509. The next prime is 1125536513. The reversal of 1125536512 is 2156355211.

It is a super-2 number, since 2×1125536512² = 2533664879690252288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1125536513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2198058 + ... + 2198569.

Almost surely, 2^1125536512 is an apocalyptic number.

It is an amenable number.

1125536512 is a deficient number, since it is larger than the sum of its proper divisors (1121140396).

1125536512 is an frugal number, since it uses more digits than its factorization.

1125536512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396643 (or 4396629 counting only the distinct ones).

The product of its digits is 9000, while the sum is 31.

The square root of 1125536512 is about 33549.0165578665. The cubic root of 1125536512 is about 1040.2072170925.

The spelling of 1125536512 in words is "one billion, one hundred twenty-five million, five hundred thirty-six thousand, five hundred twelve".