41026306153561 has 2 divisors, whose sum is σ = 41026306153562. Its totient is φ = 41026306153560.

The previous prime is 41026306153513. The next prime is 41026306153667. The reversal of 41026306153561 is 16535160362014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22336550536336 + 18689755617225 = 4726156^2 + 4323165^2 .

It is a cyclic number.

It is not a de Polignac number, because 41026306153561 - 2³⁷ = 40888867200089 is a prime.

It is not a weakly prime, because it can be changed into another prime (41026306153061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20513153076780 + 20513153076781.

It is an arithmetic number, because the mean of its divisors is an integer number (20513153076781).

Almost surely, 2^{41026306153561} is an apocalyptic number.

It is an amenable number.

41026306153561 is a deficient number, since it is larger than the sum of its proper divisors (1).

41026306153561 is an equidigital number, since it uses as much as digits as its factorization.

41026306153561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 41026306153561 in words is "forty-one trillion, twenty-six billion, three hundred six million, one hundred fifty-three thousand, five hundred sixty-one".