1153650988 has 24 divisors (see below), whose sum is σ = 2381732864. Its totient is φ = 478472400.

The previous prime is 1153650961. The next prime is 1153651007. The reversal of 1153650988 is 8890563511.

It is a super-2 number, since 2×1153650988² = 2661821204226752288, which contains 22 as substring.

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, 663678 + ... + 665413.

Almost surely, 2^1153650988 is an apocalyptic number.

It is an amenable number.

1153650988 is an abundant number, since it is smaller than the sum of its proper divisors (1228081876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1153650988 is a wasteful number, since it uses less digits than its factorization.

1153650988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329133 (or 1329131 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 46.

The square root of 1153650988 is about 33965.4381393793. The cubic root of 1153650988 is about 1048.7971071335.

The spelling of 1153650988 in words is "one billion, one hundred fifty-three million, six hundred fifty thousand, nine hundred eighty-eight".