41215866969553 has 2 divisors, whose sum is σ = 41215866969554. Its totient is φ = 41215866969552.

The previous prime is 41215866969493. The next prime is 41215866969601. The reversal of 41215866969553 is 35596966851214.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36951712179264 + 4264154790289 = 6078792^2 + 2064983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41215866969553 is a prime.

It is not a weakly prime, because it can be changed into another prime (41215866919553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20607933484776 + 20607933484777.

It is an arithmetic number, because the mean of its divisors is an integer number (20607933484777).

Almost surely, 2^{41215866969553} is an apocalyptic number.

It is an amenable number.

41215866969553 is a deficient number, since it is larger than the sum of its proper divisors (1).

41215866969553 is an equidigital number, since it uses as much as digits as its factorization.

41215866969553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904000, while the sum is 70.

It can be divided in two parts, 41215 and 866969553, that added together give a palindrome (867010768).

The spelling of 41215866969553 in words is "forty-one trillion, two hundred fifteen billion, eight hundred sixty-six million, nine hundred sixty-nine thousand, five hundred fifty-three".