41251490721 has 24 divisors (see below), whose sum is σ = 68104096320. Its totient is φ = 23570066016.

The previous prime is 41251490711. The next prime is 41251490737. The reversal of 41251490721 is 12709415214.

It is not a de Polignac number, because 41251490721 - 2¹⁷ = 41251359649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41251490711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 838750 + ... + 886568.

It is an arithmetic number, because the mean of its divisors is an integer number (2837670680).

Almost surely, 2^41251490721 is an apocalyptic number.

It is an amenable number.

41251490721 is a deficient number, since it is larger than the sum of its proper divisors (26852605599).

41251490721 is a wasteful number, since it uses less digits than its factorization.

41251490721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61525 (or 61522 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 41251490721 in words is "forty-one billion, two hundred fifty-one million, four hundred ninety thousand, seven hundred twenty-one".