241555513254157 has 2 divisors, whose sum is σ = 241555513254158. Its totient is φ = 241555513254156.

The previous prime is 241555513254091. The next prime is 241555513254241. The reversal of 241555513254157 is 751452315555142.

241555513254157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215712991983241 + 25842521270916 = 14687171^2 + 5083554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241555513254157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 241555513254098 and 241555513254107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241555513254557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120777756627078 + 120777756627079.

It is an arithmetic number, because the mean of its divisors is an integer number (120777756627079).

Almost surely, 2^{241555513254157} is an apocalyptic number.

It is an amenable number.

241555513254157 is a deficient number, since it is larger than the sum of its proper divisors (1).

241555513254157 is an equidigital number, since it uses as much as digits as its factorization.

241555513254157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21000000, while the sum is 55.

The spelling of 241555513254157 in words is "two hundred forty-one trillion, five hundred fifty-five billion, five hundred thirteen million, two hundred fifty-four thousand, one hundred fifty-seven".