245553501124117 has 2 divisors, whose sum is σ = 245553501124118. Its totient is φ = 245553501124116.

The previous prime is 245553501124081. The next prime is 245553501124133. The reversal of 245553501124117 is 711421105355542.

245553501124117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145647099212356 + 99906401911761 = 12068434^2 + 9995319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245553501124117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245553501124517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122776750562058 + 122776750562059.

It is an arithmetic number, because the mean of its divisors is an integer number (122776750562059).

Almost surely, 2^{245553501124117} is an apocalyptic number.

It is an amenable number.

245553501124117 is a deficient number, since it is larger than the sum of its proper divisors (1).

245553501124117 is an equidigital number, since it uses as much as digits as its factorization.

245553501124117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840000, while the sum is 46.

Adding to 245553501124117 its reverse (711421105355542), we get a palindrome (956974606479659).

The spelling of 245553501124117 in words is "two hundred forty-five trillion, five hundred fifty-three billion, five hundred one million, one hundred twenty-four thousand, one hundred seventeen".