11281916436 has 24 divisors (see below), whose sum is σ = 30085110720. Its totient is φ = 3223404672.

The previous prime is 11281916419. The next prime is 11281916441. The reversal of 11281916436 is 63461918211.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67154181 + ... + 67154348.

It is an arithmetic number, because the mean of its divisors is an integer number (1253546280).

Almost surely, 2^11281916436 is an apocalyptic number.

It is an amenable number.

11281916436 is an abundant number, since it is smaller than the sum of its proper divisors (18803194284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11281916436 is a wasteful number, since it uses less digits than its factorization.

11281916436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134308543 (or 134308541 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The spelling of 11281916436 in words is "eleven billion, two hundred eighty-one million, nine hundred sixteen thousand, four hundred thirty-six".