11278102132 has 12 divisors (see below), whose sum is σ = 21530922336. Its totient is φ = 5126410040.

The previous prime is 11278102079. The next prime is 11278102153. The reversal of 11278102132 is 23120187211.

It is a self number, because there is not a number n which added to its sum of digits gives 11278102132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128160208 + ... + 128160295.

It is an arithmetic number, because the mean of its divisors is an integer number (1794243528).

Almost surely, 2^11278102132 is an apocalyptic number.

It is an amenable number.

11278102132 is a deficient number, since it is larger than the sum of its proper divisors (10252820204).

11278102132 is a wasteful number, since it uses less digits than its factorization.

11278102132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256320518 (or 256320516 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

Adding to 11278102132 its reverse (23120187211), we get a palindrome (34398289343).

The spelling of 11278102132 in words is "eleven billion, two hundred seventy-eight million, one hundred two thousand, one hundred thirty-two".