1154522421331 has 8 divisors (see below), whose sum is σ = 1173546676400. Its totient is φ = 1135501316640.

The previous prime is 1154522421307. The next prime is 1154522421397. The reversal of 1154522421331 is 1331242254511.

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

It is a cyclic number.

It is not a de Polignac number, because 1154522421331 - 2⁷ = 1154522421203 is a prime.

It is a super-2 number, since 2×1154522421331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154522421301) 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 7 ways as a sum of consecutive naturals, for example, 42861 + ... + 1520158.

It is an arithmetic number, because the mean of its divisors is an integer number (146693334550).

Almost surely, 2^{1154522421331} is an apocalyptic number.

1154522421331 is a deficient number, since it is larger than the sum of its proper divisors (19024255069).

1154522421331 is a wasteful number, since it uses less digits than its factorization.

1154522421331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575189.

The product of its digits is 28800, while the sum is 34.

Adding to 1154522421331 its reverse (1331242254511), we get a palindrome (2485764675842).

The spelling of 1154522421331 in words is "one trillion, one hundred fifty-four billion, five hundred twenty-two million, four hundred twenty-one thousand, three hundred thirty-one".