41154511545181 has 2 divisors, whose sum is σ = 41154511545182. Its totient is φ = 41154511545180.

The previous prime is 41154511545109. The next prime is 41154511545247. The reversal of 41154511545181 is 18154511545114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41152674051225 + 1837493956 = 6415035^2 + 42866^2 .

It is a cyclic number.

It is not a de Polignac number, because 41154511545181 - 2⁷ = 41154511545053 is a prime.

It is a super-2 number, since 2×41154511545181² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41154551545181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20577255772590 + 20577255772591.

It is an arithmetic number, because the mean of its divisors is an integer number (20577255772591).

Almost surely, 2^{41154511545181} is an apocalyptic number.

It is an amenable number.

41154511545181 is a deficient number, since it is larger than the sum of its proper divisors (1).

41154511545181 is an equidigital number, since it uses as much as digits as its factorization.

41154511545181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 320000, while the sum is 46.

The spelling of 41154511545181 in words is "forty-one trillion, one hundred fifty-four billion, five hundred eleven million, five hundred forty-five thousand, one hundred eighty-one".