11284729680 has 80 divisors (see below), whose sum is σ = 39980191104. Its totient is φ = 2579366400.

The previous prime is 11284729649. The next prime is 11284729711. The reversal of 11284729680 is 8692748211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11284729649) and next prime (11284729711).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3356871 + ... + 3360230.

Almost surely, 2^11284729680 is an apocalyptic number.

11284729680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11284729680 is an abundant number, since it is smaller than the sum of its proper divisors (28695461424).

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

11284729680 is a wasteful number, since it uses less digits than its factorization.

11284729680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6717124 (or 6717118 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 11284729680 in words is "eleven billion, two hundred eighty-four million, seven hundred twenty-nine thousand, six hundred eighty".