11220786124 has 12 divisors (see below), whose sum is σ = 19746077400. Its totient is φ = 5579049728.

The previous prime is 11220786121. The next prime is 11220786139. The reversal of 11220786124 is 42168702211.

It is a self number, because there is not a number n which added to its sum of digits gives 11220786124.

It is not an unprimeable number, because it can be changed into a prime (11220786121) 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, 7835029 + ... + 7836460.

It is an arithmetic number, because the mean of its divisors is an integer number (1645506450).

Almost surely, 2^11220786124 is an apocalyptic number.

It is an amenable number.

11220786124 is a deficient number, since it is larger than the sum of its proper divisors (8525291276).

11220786124 is a wasteful number, since it uses less digits than its factorization.

11220786124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15671672 (or 15671670 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 11220786124 in words is "eleven billion, two hundred twenty million, seven hundred eighty-six thousand, one hundred twenty-four".