121494545313 has 16 divisors (see below), whose sum is σ = 165962473152. Its totient is φ = 79011936000.

The previous prime is 121494545297. The next prime is 121494545321. The reversal of 121494545313 is 313545494121.

It is not a de Polignac number, because 121494545313 - 2⁴ = 121494545297 is a prime.

It is a super-2 number, since 2×121494545313² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121494545113) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1144878 + ... + 1246488.

It is an arithmetic number, because the mean of its divisors is an integer number (10372654572).

Almost surely, 2^121494545313 is an apocalyptic number.

It is an amenable number.

121494545313 is a deficient number, since it is larger than the sum of its proper divisors (44467927839).

121494545313 is a wasteful number, since it uses less digits than its factorization.

121494545313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111376.

The product of its digits is 259200, while the sum is 42.

The spelling of 121494545313 in words is "one hundred twenty-one billion, four hundred ninety-four million, five hundred forty-five thousand, three hundred thirteen".