1153202655 has 16 divisors (see below), whose sum is σ = 2012863104. Its totient is φ = 559128480.

The previous prime is 1153202651. The next prime is 1153202689. The reversal of 1153202655 is 5562023511.

It is a happy number.

It is not a de Polignac number, because 1153202655 - 2² = 1153202651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153202651) 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, 3494389 + ... + 3494718.

It is an arithmetic number, because the mean of its divisors is an integer number (125803944).

Almost surely, 2^1153202655 is an apocalyptic number.

1153202655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1153202655 is a deficient number, since it is larger than the sum of its proper divisors (859660449).

1153202655 is a wasteful number, since it uses less digits than its factorization.

1153202655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6989126.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1153202655 is about 33958.8376567868. The cubic root of 1153202655 is about 1048.6612280035.

The spelling of 1153202655 in words is "one billion, one hundred fifty-three million, two hundred two thousand, six hundred fifty-five".