41121020251 has 4 divisors (see below), whose sum is σ = 41122025392. Its totient is φ = 41120015112.

The previous prime is 41121020249. The next prime is 41121020323. The reversal of 41121020251 is 15202012114.

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

It is a cyclic number.

It is not a de Polignac number, because 41121020251 - 2¹ = 41121020249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41121000251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438480 + ... + 523933.

It is an arithmetic number, because the mean of its divisors is an integer number (10280506348).

Almost surely, 2^41121020251 is an apocalyptic number.

41121020251 is a deficient number, since it is larger than the sum of its proper divisors (1005141).

41121020251 is an equidigital number, since it uses as much as digits as its factorization.

41121020251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005140.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 41121020251 its reverse (15202012114), we get a palindrome (56323032365).

The spelling of 41121020251 in words is "forty-one billion, one hundred twenty-one million, twenty thousand, two hundred fifty-one".