1995831158100 has 72 divisors (see below), whose sum is σ = 6218805200160. Its totient is φ = 491281514880.

The previous prime is 1995831158047. The next prime is 1995831158119. The reversal of 1995831158100 is 18511385991.

It is a super-2 number, since 2×1995831158100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 255871890 + ... + 255879689.

Almost surely, 2^{1995831158100} is an apocalyptic number.

1995831158100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1995831158100 is an abundant number, since it is smaller than the sum of its proper divisors (4222974042060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1995831158100 is a wasteful number, since it uses less digits than its factorization.

1995831158100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511751609 (or 511751602 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 51.

The spelling of 1995831158100 in words is "one trillion, nine hundred ninety-five billion, eight hundred thirty-one million, one hundred fifty-eight thousand, one hundred".