11281493756 has 24 divisors (see below), whose sum is σ = 21267101520. Its totient is φ = 5205416832.

The previous prime is 11281493737. The next prime is 11281493761. The reversal of 11281493756 is 65739418211.

It is a self number, because there is not a number n which added to its sum of digits gives 11281493756.

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, 175400 + ... + 230928.

It is an arithmetic number, because the mean of its divisors is an integer number (886129230).

Almost surely, 2^11281493756 is an apocalyptic number.

It is an amenable number.

11281493756 is a deficient number, since it is larger than the sum of its proper divisors (9985607764).

11281493756 is a wasteful number, since it uses less digits than its factorization.

11281493756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59453 (or 59451 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The spelling of 11281493756 in words is "eleven billion, two hundred eighty-one million, four hundred ninety-three thousand, seven hundred fifty-six".