41154076721 has 2 divisors, whose sum is σ = 41154076722. Its totient is φ = 41154076720.

The previous prime is 41154076661. The next prime is 41154076723. The reversal of 41154076721 is 12767045114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40074034225 + 1080042496 = 200185^2 + 32864^2 .

It is a cyclic number.

It is not a de Polignac number, because 41154076721 - 2¹⁸ = 41153814577 is a prime.

It is a super-2 number, since 2×41154076721² (a number of 22 digits) contains 22 as substring.

Together with 41154076723, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41154076723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20577038360 + 20577038361.

It is an arithmetic number, because the mean of its divisors is an integer number (20577038361).

Almost surely, 2^41154076721 is an apocalyptic number.

It is an amenable number.

41154076721 is a deficient number, since it is larger than the sum of its proper divisors (1).

41154076721 is an equidigital number, since it uses as much as digits as its factorization.

41154076721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 41154076721 in words is "forty-one billion, one hundred fifty-four million, seventy-six thousand, seven hundred twenty-one".