1995681548001 has 8 divisors (see below), whose sum is σ = 2661796008000. Its totient is φ = 1330010726672.

The previous prime is 1995681547949. The next prime is 1995681548009. The reversal of 1995681548001 is 1008451865991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1995681548001 - 2¹⁷ = 1995681416929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1995681548009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110899170 + ... + 110917163.

It is an arithmetic number, because the mean of its divisors is an integer number (332724501000).

Almost surely, 2^{1995681548001} is an apocalyptic number.

It is an amenable number.

1995681548001 is a deficient number, since it is larger than the sum of its proper divisors (666114459999).

1995681548001 is a wasteful number, since it uses less digits than its factorization.

1995681548001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221819335.

The product of its (nonzero) digits is 3110400, while the sum is 57.

The spelling of 1995681548001 in words is "one trillion, nine hundred ninety-five billion, six hundred eighty-one million, five hundred forty-eight thousand, one".