1153156608 has 80 divisors (see below), whose sum is σ = 3413464560. Its totient is φ = 384380928.

The previous prime is 1153156549. The next prime is 1153156619. The reversal of 1153156608 is 8066513511.

1153156608 is a `hidden beast` number, since 1 + 15 + 31 + 5 + 6 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 27885 + ... + 55532.

It is an arithmetic number, because the mean of its divisors is an integer number (42668307).

Almost surely, 2^1153156608 is an apocalyptic number.

1153156608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1153156608 is an abundant number, since it is smaller than the sum of its proper divisors (2260307952).

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

1153156608 is an frugal number, since it uses more digits than its factorization.

1153156608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83444 (or 83422 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1153156608 is about 33958.1596674496. The cubic root of 1153156608 is about 1048.6472702526.

The spelling of 1153156608 in words is "one billion, one hundred fifty-three million, one hundred fifty-six thousand, six hundred eight".