1995511014 has 48 divisors (see below), whose sum is σ = 4946112288. Its totient is φ = 569586816.

The previous prime is 1995511009. The next prime is 1995511031. The reversal of 1995511014 is 4101155991.

1995511014 is a `hidden beast` number, since 1 + 99 + 551 + 1 + 0 + 14 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1995511014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131004 + ... + 145440.

It is an arithmetic number, because the mean of its divisors is an integer number (103044006).

Almost surely, 2^1995511014 is an apocalyptic number.

1995511014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1995511014 is an abundant number, since it is smaller than the sum of its proper divisors (2950601274).

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

1995511014 is a wasteful number, since it uses less digits than its factorization.

1995511014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15549 (or 15546 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 36.

The square root of 1995511014 is about 44671.1429672445. The cubic root of 1995511014 is about 1258.9777157812.

The spelling of 1995511014 in words is "one billion, nine hundred ninety-five million, five hundred eleven thousand, fourteen".