1128911632 has 40 divisors (see below), whose sum is σ = 2218358016. Its totient is φ = 556484736.

The previous prime is 1128911611. The next prime is 1128911653. The reversal of 1128911632 is 2361198211.

It is an interprime number because it is at equal distance from previous prime (1128911611) and next prime (1128911653).

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, 380298 + ... + 383254.

Almost surely, 2^1128911632 is an apocalyptic number.

It is an amenable number.

1128911632 is a deficient number, since it is larger than the sum of its proper divisors (1089446384).

1128911632 is a wasteful number, since it uses less digits than its factorization.

1128911632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295 (or 3289 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The square root of 1128911632 is about 33599.2802303859. The cubic root of 1128911632 is about 1041.2459278774.

The spelling of 1128911632 in words is "one billion, one hundred twenty-eight million, nine hundred eleven thousand, six hundred thirty-two".