11917148948 has 6 divisors (see below), whose sum is σ = 20855010666. Its totient is φ = 5958574472.

The previous prime is 11917148933. The next prime is 11917148963. The reversal of 11917148948 is 84984171911.

It is an interprime number because it is at equal distance from previous prime (11917148933) and next prime (11917148963).

It can be written as a sum of positive squares in only one way, i.e., 11457989764 + 459159184 = 107042^2 + 21428^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11917148948.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1489643615 + ... + 1489643622.

It is an arithmetic number, because the mean of its divisors is an integer number (3475835111).

Almost surely, 2^11917148948 is an apocalyptic number.

It is an amenable number.

11917148948 is a deficient number, since it is larger than the sum of its proper divisors (8937861718).

11917148948 is a wasteful number, since it uses less digits than its factorization.

11917148948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979287241 (or 2979287239 counting only the distinct ones).

The product of its digits is 580608, while the sum is 53.

The spelling of 11917148948 in words is "eleven billion, nine hundred seventeen million, one hundred forty-eight thousand, nine hundred forty-eight".