121343545535 has 8 divisors (see below), whose sum is σ = 145614814560. Its totient is φ = 97073129824.

The previous prime is 121343545469. The next prime is 121343545553. The reversal of 121343545535 is 535545343121.

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 121343545535 - 2³² = 117048578239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121343545492 and 121343545501.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 158414 + ... + 517476.

It is an arithmetic number, because the mean of its divisors is an integer number (18201851820).

Almost surely, 2^121343545535 is an apocalyptic number.

121343545535 is a deficient number, since it is larger than the sum of its proper divisors (24271269025).

121343545535 is an equidigital number, since it uses as much as digits as its factorization.

121343545535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426657.

The product of its digits is 540000, while the sum is 41.

Adding to 121343545535 its reverse (535545343121), we get a palindrome (656888888656).

The spelling of 121343545535 in words is "one hundred twenty-one billion, three hundred forty-three million, five hundred forty-five thousand, five hundred thirty-five".