1153331401 has 4 divisors (see below), whose sum is σ = 1153511812. Its totient is φ = 1153150992.

The previous prime is 1153331383. The next prime is 1153331411. The reversal of 1153331401 is 1041333511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12243001 + 1141088400 = 3499^2 + 33780^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153331401 - 2¹⁵ = 1153298633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153331411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80250 + ... + 93523.

It is an arithmetic number, because the mean of its divisors is an integer number (288377953).

Almost surely, 2^1153331401 is an apocalyptic number.

It is an amenable number.

1153331401 is a deficient number, since it is larger than the sum of its proper divisors (180411).

1153331401 is an equidigital number, since it uses as much as digits as its factorization.

1153331401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180410.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1153331401 is about 33960.7332223555. The cubic root of 1153331401 is about 1048.7002514755.

Adding to 1153331401 its reverse (1041333511), we get a palindrome (2194664912).

The spelling of 1153331401 in words is "one billion, one hundred fifty-three million, three hundred thirty-one thousand, four hundred one".