121355254535 has 8 divisors (see below), whose sum is σ = 145679219280. Its totient is φ = 97048927744.

The previous prime is 121355254523. The next prime is 121355254567. The reversal of 121355254535 is 535452553121.

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 121355254535 - 2²² = 121351060231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121355254492 and 121355254501.

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, 4394345 + ... + 4421874.

It is an arithmetic number, because the mean of its divisors is an integer number (18209902410).

Almost surely, 2^121355254535 is an apocalyptic number.

121355254535 is a deficient number, since it is larger than the sum of its proper divisors (24323964745).

121355254535 is an equidigital number, since it uses as much as digits as its factorization.

121355254535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8818977.

The product of its digits is 450000, while the sum is 41.

The spelling of 121355254535 in words is "one hundred twenty-one billion, three hundred fifty-five million, two hundred fifty-four thousand, five hundred thirty-five".