11848005919 has 4 divisors (see below), whose sum is σ = 11849239944. Its totient is φ = 11846771896.

The previous prime is 11848005907. The next prime is 11848005931. The reversal of 11848005919 is 91950084811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91950084811 = 13 ⋅7073083447.

It is an interprime number because it is at equal distance from previous prime (11848005907) and next prime (11848005931).

It is a cyclic number.

It is not a de Polignac number, because 11848005919 - 2⁵ = 11848005887 is a prime.

It is a super-2 number, since 2×11848005919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11848005979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602497 + ... + 621850.

It is an arithmetic number, because the mean of its divisors is an integer number (2962309986).

Almost surely, 2^11848005919 is an apocalyptic number.

11848005919 is a deficient number, since it is larger than the sum of its proper divisors (1234025).

11848005919 is an equidigital number, since it uses as much as digits as its factorization.

11848005919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234024.

The product of its (nonzero) digits is 103680, while the sum is 46.

The spelling of 11848005919 in words is "eleven billion, eight hundred forty-eight million, five thousand, nine hundred nineteen".