1995915684051 has 20 divisors (see below), whose sum is σ = 2981721874824. Its totient is φ = 1330535116800.

The previous prime is 1995915684041. The next prime is 1995915684073. The reversal of 1995915684051 is 1504865195991.

1995915684051 is a `hidden beast` number, since 1 + 9 + 95 + 91 + 56 + 8 + 405 + 1 = 666.

It is not a de Polignac number, because 1995915684051 - 2⁵ = 1995915684019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1995915684051.

It is not an unprimeable number, because it can be changed into a prime (1995915684001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 760531 + ... + 2137811.

Almost surely, 2^{1995915684051} is an apocalyptic number.

1995915684051 is a deficient number, since it is larger than the sum of its proper divisors (985806190773).

1995915684051 is a wasteful number, since it uses less digits than its factorization.

1995915684051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395184 (or 1395175 counting only the distinct ones).

The product of its (nonzero) digits is 17496000, while the sum is 63.

The spelling of 1995915684051 in words is "one trillion, nine hundred ninety-five billion, nine hundred fifteen million, six hundred eighty-four thousand, fifty-one".