11012261260 has 96 divisors (see below), whose sum is σ = 31050012672. Its totient is φ = 3168357120.

The previous prime is 11012261237. The next prime is 11012261261. The reversal of 11012261260 is 6216221011.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (11012261261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255012 + ... + 295051.

It is an arithmetic number, because the mean of its divisors is an integer number (323437632).

Almost surely, 2^11012261260 is an apocalyptic number.

11012261260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012261260 is an abundant number, since it is smaller than the sum of its proper divisors (20037751412).

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

11012261260 is a wasteful number, since it uses less digits than its factorization.

11012261260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550103 (or 550101 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 11012261260 its reverse (6216221011), we get a palindrome (17228482271).

It can be divided in two parts, 11012 and 261260, that added together give a palindrome (272272).

The spelling of 11012261260 in words is "eleven billion, twelve million, two hundred sixty-one thousand, two hundred sixty".