11013225312 has 96 divisors (see below), whose sum is σ = 29505355488. Its totient is φ = 3595677696.

The previous prime is 11013225287. The next prime is 11013225329. The reversal of 11013225312 is 21352231011.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×11013225312² (a number of 21 digits) contains 22 as substring.

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, 3728028 + ... + 3730980.

It is an arithmetic number, because the mean of its divisors is an integer number (307347453).

Almost surely, 2^11013225312 is an apocalyptic number.

11013225312 is a gapful number since it is divisible by the number (12) 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 11013225312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14752677744).

11013225312 is an abundant number, since it is smaller than the sum of its proper divisors (18492130176).

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

11013225312 is a wasteful number, since it uses less digits than its factorization.

11013225312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752 (or 3744 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 11013225312 its reverse (21352231011), we get a palindrome (32365456323).

The spelling of 11013225312 in words is "eleven billion, thirteen million, two hundred twenty-five thousand, three hundred twelve".