245121121524 has 12 divisors (see below), whose sum is σ = 571949283584. Its totient is φ = 81707040504.

The previous prime is 245121121519. The next prime is 245121121589. The reversal of 245121121524 is 425121121542.

245121121524 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 245121121491 and 245121121500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10213380052 + ... + 10213380075.

Almost surely, 2^245121121524 is an apocalyptic number.

It is an amenable number.

245121121524 is an abundant number, since it is smaller than the sum of its proper divisors (326828162060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245121121524 is a wasteful number, since it uses less digits than its factorization.

245121121524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20426760134 (or 20426760132 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The spelling of 245121121524 in words is "two hundred forty-five billion, one hundred twenty-one million, one hundred twenty-one thousand, five hundred twenty-four".