11550201262012 has 48 divisors (see below), whose sum is σ = 23895419591680. Its totient is φ = 4781650439232.

The previous prime is 11550201261983. The next prime is 11550201262043. The reversal of 11550201262012 is 21026210205511.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39959748 + ... + 40247755.

Almost surely, 2^{11550201262012} is an apocalyptic number.

It is an amenable number.

11550201262012 is an abundant number, since it is smaller than the sum of its proper divisors (12345218329668).

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

11550201262012 is a wasteful number, since it uses less digits than its factorization.

11550201262012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80207690 (or 80207688 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 11550201262012 its reverse (21026210205511), we get a palindrome (32576411467523).

The spelling of 11550201262012 in words is "eleven trillion, five hundred fifty billion, two hundred one million, two hundred sixty-two thousand, twelve".