1548632325641 has 4 divisors (see below), whose sum is σ = 1548668834832. Its totient is φ = 1548595816452.

The previous prime is 1548632325637. The next prime is 1548632325661. The reversal of 1548632325641 is 1465232368451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1548632325641 - 2² = 1548632325637 is a prime.

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 1548632325641.

It is not an unprimeable number, because it can be changed into a prime (1548632325661) 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, 18190895 + ... + 18275828.

It is an arithmetic number, because the mean of its divisors is an integer number (387167208708).

Almost surely, 2^{1548632325641} is an apocalyptic number.

It is an amenable number.

1548632325641 is a deficient number, since it is larger than the sum of its proper divisors (36509191).

1548632325641 is an equidigital number, since it uses as much as digits as its factorization.

1548632325641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36509190.

The product of its digits is 4147200, while the sum is 50.

The spelling of 1548632325641 in words is "one trillion, five hundred forty-eight billion, six hundred thirty-two million, three hundred twenty-five thousand, six hundred forty-one".