1153443133461 has 4 divisors (see below), whose sum is σ = 1537924177952. Its totient is φ = 768962088972.

The previous prime is 1153443133393. The next prime is 1153443133463. The reversal of 1153443133461 is 1643313443511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1153443133461 - 2¹³ = 1153443125269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153443133463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192240522241 + ... + 192240522246.

It is an arithmetic number, because the mean of its divisors is an integer number (384481044488).

Almost surely, 2^{1153443133461} is an apocalyptic number.

It is an amenable number.

1153443133461 is a deficient number, since it is larger than the sum of its proper divisors (384481044491).

1153443133461 is an equidigital number, since it uses as much as digits as its factorization.

1153443133461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384481044490.

The product of its digits is 155520, while the sum is 39.

Adding to 1153443133461 its reverse (1643313443511), we get a palindrome (2796756576972).

The spelling of 1153443133461 in words is "one trillion, one hundred fifty-three billion, four hundred forty-three million, one hundred thirty-three thousand, four hundred sixty-one".