11252140312 has 32 divisors (see below), whose sum is σ = 24148396800. Its totient is φ = 4815012384.

The previous prime is 11252140297. The next prime is 11252140313. The reversal of 11252140312 is 21304125211.

It is a super-2 number, since 2×11252140312² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11252140313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115548 + ... + 189355.

It is an arithmetic number, because the mean of its divisors is an integer number (754637400).

Almost surely, 2^11252140312 is an apocalyptic number.

It is an amenable number.

11252140312 is an abundant number, since it is smaller than the sum of its proper divisors (12896256488).

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

11252140312 is a wasteful number, since it uses less digits than its factorization.

11252140312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305575 (or 305571 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 11252140312 its reverse (21304125211), we get a palindrome (32556265523).

The spelling of 11252140312 in words is "eleven billion, two hundred fifty-two million, one hundred forty thousand, three hundred twelve".