41563630251 has 64 divisors (see below), whose sum is σ = 72394560000. Its totient is φ = 23235085440.

The previous prime is 41563630243. The next prime is 41563630261. The reversal of 41563630251 is 15203636514.

41563630251 is a `hidden beast` number, since 4 + 15 + 6 + 3 + 630 + 2 + 5 + 1 = 666.

It is not a de Polignac number, because 41563630251 - 2³ = 41563630243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41563630261) 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 63 ways as a sum of consecutive naturals, for example, 6595300 + ... + 6601598.

It is an arithmetic number, because the mean of its divisors is an integer number (1131165000).

Almost surely, 2^41563630251 is an apocalyptic number.

41563630251 is a deficient number, since it is larger than the sum of its proper divisors (30830929749).

41563630251 is a wasteful number, since it uses less digits than its factorization.

41563630251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8041 (or 8035 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 41563630251 in words is "forty-one billion, five hundred sixty-three million, six hundred thirty thousand, two hundred fifty-one".