121545454514 has 8 divisors (see below), whose sum is σ = 198892561968. Its totient is φ = 55247933860.

The previous prime is 121545454469. The next prime is 121545454549. The reversal of 121545454514 is 415454545121.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2762396672 + ... + 2762396715.

It is an arithmetic number, because the mean of its divisors is an integer number (24861570246).

Almost surely, 2^121545454514 is an apocalyptic number.

121545454514 is a deficient number, since it is larger than the sum of its proper divisors (77347107454).

121545454514 is a wasteful number, since it uses less digits than its factorization.

121545454514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524793400.

The product of its digits is 320000, while the sum is 41.

Adding to 121545454514 its reverse (415454545121), we get a palindrome (536999999635).

The spelling of 121545454514 in words is "one hundred twenty-one billion, five hundred forty-five million, four hundred fifty-four thousand, five hundred fourteen".