41217183511261 has 4 divisors (see below), whose sum is σ = 41218958072032. Its totient is φ = 41215408950492.

The previous prime is 41217183511223. The next prime is 41217183511303. The reversal of 41217183511261 is 16211538171214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41217183511261 - 2²³ = 41217175122653 is a prime.

It is a super-4 number, since 4×41217183511261⁴ (a number of 56 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41217183517261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887245545 + ... + 887291998.

It is an arithmetic number, because the mean of its divisors is an integer number (10304739518008).

Almost surely, 2^{41217183511261} is an apocalyptic number.

It is an amenable number.

41217183511261 is a deficient number, since it is larger than the sum of its proper divisors (1774560771).

41217183511261 is a wasteful number, since it uses less digits than its factorization.

41217183511261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774560770.

The product of its digits is 80640, while the sum is 43.

The spelling of 41217183511261 in words is "forty-one trillion, two hundred seventeen billion, one hundred eighty-three million, five hundred eleven thousand, two hundred sixty-one".