245553501124121 has 8 divisors (see below), whose sum is σ = 245780593438464. Its totient is φ = 245326498595280.

The previous prime is 245553501124117. The next prime is 245553501124133. The reversal of 245553501124121 is 121421105355542.

245553501124121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 245553501124121 - 2² = 245553501124117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245553501124021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16973450 + ... + 27914243.

It is an arithmetic number, because the mean of its divisors is an integer number (30722574179808).

Almost surely, 2^{245553501124121} is an apocalyptic number.

It is an amenable number.

245553501124121 is a deficient number, since it is larger than the sum of its proper divisors (227092314343).

245553501124121 is a wasteful number, since it uses less digits than its factorization.

245553501124121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44892751.

The product of its (nonzero) digits is 240000, while the sum is 41.

Adding to 245553501124121 its reverse (121421105355542), we get a palindrome (366974606479663).

The spelling of 245553501124121 in words is "two hundred forty-five trillion, five hundred fifty-three billion, five hundred one million, one hundred twenty-four thousand, one hundred twenty-one".