11054999280 has 160 divisors (see below), whose sum is σ = 38097561600. Its totient is φ = 2633425920.

The previous prime is 11054999279. The next prime is 11054999299. The reversal of 11054999280 is 8299945011.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39571 + ... + 153869.

It is an arithmetic number, because the mean of its divisors is an integer number (238109760).

Almost surely, 2^11054999280 is an apocalyptic number.

11054999280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11054999280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19048780800).

11054999280 is an abundant number, since it is smaller than the sum of its proper divisors (27042562320).

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

11054999280 is a wasteful number, since it uses less digits than its factorization.

11054999280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114359 (or 114353 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 48.

The spelling of 11054999280 in words is "eleven billion, fifty-four million, nine hundred ninety-nine thousand, two hundred eighty".