11251050580 has 96 divisors (see below), whose sum is σ = 29570365440. Its totient is φ = 3493361280.

The previous prime is 11251050563. The next prime is 11251050617. The reversal of 11251050580 is 8505015211.

11251050580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11251050580² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391131 + ... + 418909.

It is an arithmetic number, because the mean of its divisors is an integer number (308024640).

Almost surely, 2^11251050580 is an apocalyptic number.

11251050580 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 11251050580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14785182720).

11251050580 is an abundant number, since it is smaller than the sum of its proper divisors (18319314860).

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

11251050580 is a wasteful number, since it uses less digits than its factorization.

11251050580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28069 (or 28067 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 28.

Adding to 11251050580 its reverse (8505015211), we get a palindrome (19756065791).

The spelling of 11251050580 in words is "eleven billion, two hundred fifty-one million, fifty thousand, five hundred eighty".