1995081377504 has 24 divisors (see below), whose sum is σ = 3956486663808. Its totient is φ = 990259367680.

The previous prime is 1995081377467. The next prime is 1995081377519. The reversal of 1995081377504 is 4057731805991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227536832 + ... + 227545599.

It is an arithmetic number, because the mean of its divisors is an integer number (164853610992).

Almost surely, 2^{1995081377504} is an apocalyptic number.

It is an amenable number.

1995081377504 is a deficient number, since it is larger than the sum of its proper divisors (1961405286304).

1995081377504 is a wasteful number, since it uses less digits than its factorization.

1995081377504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455082578 (or 455082570 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 59.

The spelling of 1995081377504 in words is "one trillion, nine hundred ninety-five billion, eighty-one million, three hundred seventy-seven thousand, five hundred four".