1154231334421 has 8 divisors (see below), whose sum is σ = 1260741341664. Its totient is φ = 1047984641520.

The previous prime is 1154231334407. The next prime is 1154231334437. The reversal of 1154231334421 is 1244331324511.

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 1154231334421 - 2¹³ = 1154231326229 is a prime.

It is a super-3 number, since 3×1154231334421³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154231334401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65819415 + ... + 65836948.

It is an arithmetic number, because the mean of its divisors is an integer number (157592667708).

Almost surely, 2^{1154231334421} is an apocalyptic number.

1154231334421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1154231334421 is a deficient number, since it is larger than the sum of its proper divisors (106510007243).

1154231334421 is a wasteful number, since it uses less digits than its factorization.

1154231334421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131657171.

The product of its digits is 34560, while the sum is 34.

Adding to 1154231334421 its reverse (1244331324511), we get a palindrome (2398562658932).

The spelling of 1154231334421 in words is "one trillion, one hundred fifty-four billion, two hundred thirty-one million, three hundred thirty-four thousand, four hundred twenty-one".