11234649280 has 28 divisors (see below), whose sum is σ = 26752509360. Its totient is φ = 4493859584.

The previous prime is 11234649263. The next prime is 11234649281. The reversal of 11234649280 is 8294643211.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (11234649281) 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, 17553820 + ... + 17554459.

Almost surely, 2^11234649280 is an apocalyptic number.

11234649280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11234649280 is an abundant number, since it is smaller than the sum of its proper divisors (15517860080).

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

11234649280 is an equidigital number, since it uses as much as digits as its factorization.

11234649280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35108296 (or 35108286 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 11234649280 in words is "eleven billion, two hundred thirty-four million, six hundred forty-nine thousand, two hundred eighty".