11000051010556 has 24 divisors (see below), whose sum is σ = 19347189120000. Its totient is φ = 5472283736304.

The previous prime is 11000051010547. The next prime is 11000051010563. The reversal of 11000051010556 is 65501015000011.

It is a super-4 number, since 4×11000051010556⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 11000051010556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58554705 + ... + 58742263.

It is an arithmetic number, because the mean of its divisors is an integer number (806132880000).

Almost surely, 2^{11000051010556} is an apocalyptic number.

It is an amenable number.

11000051010556 is a deficient number, since it is larger than the sum of its proper divisors (8347138109444).

11000051010556 is a wasteful number, since it uses less digits than its factorization.

11000051010556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261441 (or 261439 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 11000051010556 its reverse (65501015000011), we get a palindrome (76501066010567).

The spelling of 11000051010556 in words is "eleven trillion, fifty-one million, ten thousand, five hundred fifty-six".