11947169514 has 40 divisors (see below), whose sum is σ = 27875103840. Its totient is φ = 3413472888.

The previous prime is 11947169471. The next prime is 11947169557. The reversal of 11947169514 is 41596174911.

11947169514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11947169471) and next prime (11947169557).

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 19 ways as a sum of consecutive naturals, for example, 400254 + ... + 429065.

It is an arithmetic number, because the mean of its divisors is an integer number (696877596).

Almost surely, 2^11947169514 is an apocalyptic number.

11947169514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11947169514 is an abundant number, since it is smaller than the sum of its proper divisors (15927934326).

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

11947169514 is an frugal number, since it uses more digits than its factorization.

11947169514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829352 (or 829331 counting only the distinct ones).

The product of its digits is 272160, while the sum is 48.

The spelling of 11947169514 in words is "eleven billion, nine hundred forty-seven million, one hundred sixty-nine thousand, five hundred fourteen".