11948761219 has 16 divisors (see below), whose sum is σ = 12754082880. Its totient is φ = 11155046400.

The previous prime is 11948761207. The next prime is 11948761327. The reversal of 11948761219 is 91216784911.

It is not a de Polignac number, because 11948761219 - 2³¹ = 9801277571 is a prime.

It is a super-2 number, since 2×11948761219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11948767219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1970997 + ... + 1977049.

It is an arithmetic number, because the mean of its divisors is an integer number (797130180).

Almost surely, 2^11948761219 is an apocalyptic number.

11948761219 is a deficient number, since it is larger than the sum of its proper divisors (805321661).

11948761219 is a wasteful number, since it uses less digits than its factorization.

11948761219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6990.

The product of its digits is 217728, while the sum is 49.

The spelling of 11948761219 in words is "eleven billion, nine hundred forty-eight million, seven hundred sixty-one thousand, two hundred nineteen".