1153564651 has 16 divisors (see below), whose sum is σ = 1255471360. Its totient is φ = 1056175200.

The previous prime is 1153564589. The next prime is 1153564673. The reversal of 1153564651 is 1564653511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1153564651 is a prime.

It is a super-2 number, since 2×1153564651² = 2661422808073503602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 1153564651.

It is not an unprimeable number, because it can be changed into a prime (1153567651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100720 + ... + 111586.

It is an arithmetic number, because the mean of its divisors is an integer number (78466960).

Almost surely, 2^1153564651 is an apocalyptic number.

1153564651 is a deficient number, since it is larger than the sum of its proper divisors (101906709).

1153564651 is a wasteful number, since it uses less digits than its factorization.

1153564651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11074.

The product of its digits is 54000, while the sum is 37.

The square root of 1153564651 is about 33964.1671618781. The cubic root of 1153564651 is about 1048.7709431678.

The spelling of 1153564651 in words is "one billion, one hundred fifty-three million, five hundred sixty-four thousand, six hundred fifty-one".