1158266012 has 24 divisors (see below), whose sum is σ = 2052603504. Its totient is φ = 571843712.

The previous prime is 1158265943. The next prime is 1158266027. The reversal of 1158266012 is 2106628511.

It is a self number, because there is not a number n which added to its sum of digits gives 1158266012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131408 + ... + 139944.

It is an arithmetic number, because the mean of its divisors is an integer number (85525146).

Almost surely, 2^1158266012 is an apocalyptic number.

It is an amenable number.

1158266012 is a deficient number, since it is larger than the sum of its proper divisors (894337492).

1158266012 is a wasteful number, since it uses less digits than its factorization.

1158266012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8965 (or 8963 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 1158266012 is about 34033.3073914364. The cubic root of 1158266012 is about 1050.1937698323.

The spelling of 1158266012 in words is "one billion, one hundred fifty-eight million, two hundred sixty-six thousand, twelve".