1011332540252 has 12 divisors (see below), whose sum is σ = 1772816489136.
Its totient is φ = 504813543360.
The previous prime is 1011332540177. The next prime is 1011332540287. The reversal of 1011332540252 is 2520452331101.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213179024 + ... + 213183767.
It is an arithmetic number, because the mean of its divisors is an integer number (147734707428).
Almost surely, 21011332540252 is an apocalyptic number.
It is an amenable number.
1011332540252 is a deficient number, since it is larger than the sum of its proper divisors (761483948884).
1011332540252 is a wasteful number, since it uses less digits than its factorization.
1011332540252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 426363388 (or 426363386 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 29.
Adding to 1011332540252 its reverse (2520452331101), we get a palindrome (3531784871353).
The spelling of 1011332540252 in words is "one trillion, eleven billion, three hundred thirty-two million, five hundred forty thousand, two hundred fifty-two".