41534621551 has 2 divisors, whose sum is σ = 41534621552. Its totient is φ = 41534621550.

The previous prime is 41534621519. The next prime is 41534621563. The reversal of 41534621551 is 15512643514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41534621551 - 2⁵ = 41534621519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41534621551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41534651551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20767310775 + 20767310776.

It is an arithmetic number, because the mean of its divisors is an integer number (20767310776).

Almost surely, 2^41534621551 is an apocalyptic number.

41534621551 is a deficient number, since it is larger than the sum of its proper divisors (1).

41534621551 is an equidigital number, since it uses as much as digits as its factorization.

41534621551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 37.

The spelling of 41534621551 in words is "forty-one billion, five hundred thirty-four million, six hundred twenty-one thousand, five hundred fifty-one".