41221155131 has 4 divisors (see below), whose sum is σ = 44392013232. Its totient is φ = 38050297032.

The previous prime is 41221155119. The next prime is 41221155169. The reversal of 41221155131 is 13155112214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41221155131 is a prime.

It is a super-2 number, since 2×41221155131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41221155131.

It is not an unprimeable number, because it can be changed into a prime (41221155631) 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, 1585429031 + ... + 1585429056.

It is an arithmetic number, because the mean of its divisors is an integer number (11098003308).

Almost surely, 2^41221155131 is an apocalyptic number.

41221155131 is a deficient number, since it is larger than the sum of its proper divisors (3170858101).

41221155131 is a wasteful number, since it uses less digits than its factorization.

41221155131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170858100.

The product of its digits is 1200, while the sum is 26.

Adding to 41221155131 its reverse (13155112214), we get a palindrome (54376267345).

The spelling of 41221155131 in words is "forty-one billion, two hundred twenty-one million, one hundred fifty-five thousand, one hundred thirty-one".