41612611221 has 10 divisors (see below), whose sum is σ = 62162048982. Its totient is φ = 27741740760.

The previous prime is 41612611219. The next prime is 41612611223. The reversal of 41612611221 is 12211621614.

41612611221 is a `hidden beast` number, since 4 + 16 + 12 + 611 + 2 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (41612611219) and next prime (41612611223).

It can be written as a sum of positive squares in only one way, i.e., 34825158225 + 6787452996 = 186615^2 + 82386^2 .

It is not a de Polignac number, because 41612611221 - 2¹ = 41612611219 is a prime.

It is a super-2 number, since 2×41612611221² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41612611223) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 256867890 + ... + 256868051.

Almost surely, 2^41612611221 is an apocalyptic number.

It is an amenable number.

41612611221 is a deficient number, since it is larger than the sum of its proper divisors (20549437761).

41612611221 is an equidigital number, since it uses as much as digits as its factorization.

41612611221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513735953 (or 513735944 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The spelling of 41612611221 in words is "forty-one billion, six hundred twelve million, six hundred eleven thousand, two hundred twenty-one".