41265510551661 has 16 divisors (see below), whose sum is σ = 61039892344320. Its totient is φ = 24585512191920.

The previous prime is 41265510551539. The next prime is 41265510551689. The reversal of 41265510551661 is 16615501556214.

It is not a de Polignac number, because 41265510551661 - 2³¹ = 41263363068013 is a prime.

It is a super-2 number, since 2×41265510551661² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 41265510551661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41265510551861) 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 in 15 ways as a sum of consecutive naturals, for example, 10597201585 + ... + 10597205478.

It is an arithmetic number, because the mean of its divisors is an integer number (3814993271520).

Almost surely, 2^{41265510551661} is an apocalyptic number.

It is an amenable number.

41265510551661 is a deficient number, since it is larger than the sum of its proper divisors (19774381792659).

41265510551661 is a wasteful number, since it uses less digits than its factorization.

41265510551661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21194407136.

The product of its (nonzero) digits is 1080000, while the sum is 48.

The spelling of 41265510551661 in words is "forty-one trillion, two hundred sixty-five billion, five hundred ten million, five hundred fifty-one thousand, six hundred sixty-one".