11012312254520 has 64 divisors (see below), whose sum is σ = 24882297897600. Its totient is φ = 4386332805120.

The previous prime is 11012312254511. The next prime is 11012312254591. The reversal of 11012312254520 is 2545221321011.

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, 171935942 + ... + 171999978.

It is an arithmetic number, because the mean of its divisors is an integer number (388785904650).

Almost surely, 2^{11012312254520} is an apocalyptic number.

11012312254520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012312254520 is an abundant number, since it is smaller than the sum of its proper divisors (13869985643080).

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

11012312254520 is a wasteful number, since it uses less digits than its factorization.

11012312254520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82128 (or 82124 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 11012312254520 its reverse (2545221321011), we get a palindrome (13557533575531).

The spelling of 11012312254520 in words is "eleven trillion, twelve billion, three hundred twelve million, two hundred fifty-four thousand, five hundred twenty".