41242180157 has 2 divisors, whose sum is σ = 41242180158. Its totient is φ = 41242180156.

The previous prime is 41242180123. The next prime is 41242180207. The reversal of 41242180157 is 75108124214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23010159481 + 18232020676 = 151691^2 + 135026^2 .

It is a cyclic number.

It is not a de Polignac number, because 41242180157 - 2¹² = 41242176061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41242180657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20621090078 + 20621090079.

It is an arithmetic number, because the mean of its divisors is an integer number (20621090079).

Almost surely, 2^41242180157 is an apocalyptic number.

It is an amenable number.

41242180157 is a deficient number, since it is larger than the sum of its proper divisors (1).

41242180157 is an equidigital number, since it uses as much as digits as its factorization.

41242180157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 35.

The spelling of 41242180157 in words is "forty-one billion, two hundred forty-two million, one hundred eighty thousand, one hundred fifty-seven".