1153308961 has 8 divisors (see below), whose sum is σ = 1318469120. Its totient is φ = 988249248.

The previous prime is 1153308901. The next prime is 1153308973. The reversal of 1153308961 is 1698033511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1153308961 - 2²³ = 1144920353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1153308961.

It is not an unprimeable number, because it can be changed into a prime (1153308901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360 + ... + 48046.

It is an arithmetic number, because the mean of its divisors is an integer number (164808640).

Almost surely, 2^1153308961 is an apocalyptic number.

It is an amenable number.

1153308961 is a deficient number, since it is larger than the sum of its proper divisors (165160159).

1153308961 is an equidigital number, since it uses as much as digits as its factorization.

1153308961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50223.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 1153308961 is about 33960.4028391891. The cubic root of 1153308961 is about 1048.6934500230.

The spelling of 1153308961 in words is "one billion, one hundred fifty-three million, three hundred eight thousand, nine hundred sixty-one".