11013444252 has 36 divisors (see below), whose sum is σ = 27843215400. Its totient is φ = 3670663392.

The previous prime is 11013444241. The next prime is 11013444263. The reversal of 11013444252 is 25244431011.

It is an interprime number because it is at equal distance from previous prime (11013444241) and next prime (11013444263).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×11013444252³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348418 + ... + 378710.

It is an arithmetic number, because the mean of its divisors is an integer number (773422650).

Almost surely, 2^11013444252 is an apocalyptic number.

11013444252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11013444252 is an abundant number, since it is smaller than the sum of its proper divisors (16829771148).

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

11013444252 is a wasteful number, since it uses less digits than its factorization.

11013444252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40402 (or 40397 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 11013444252 its reverse (25244431011), we get a palindrome (36257875263).

The spelling of 11013444252 in words is "eleven billion, thirteen million, four hundred forty-four thousand, two hundred fifty-two".