11550006520020 has 96 divisors (see below), whose sum is σ = 35933845194240. Its totient is φ = 3079959603840.

The previous prime is 11550006519991. The next prime is 11550006520043. The reversal of 11550006520020 is 2002560005511.

11550006520020 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 0 + 0 + 0 + 652 + 0 + 0 + 2 + 0 = 666.

It is a super-2 number, since 2×11550006520020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76810629 + ... + 76960851.

It is an arithmetic number, because the mean of its divisors is an integer number (374310887440).

Almost surely, 2^{11550006520020} is an apocalyptic number.

11550006520020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11550006520020 is an abundant number, since it is smaller than the sum of its proper divisors (24383838674220).

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

11550006520020 is a wasteful number, since it uses less digits than its factorization.

11550006520020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292622 (or 292614 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 11550006520020 its reverse (2002560005511), we get a palindrome (13552566525531).

The spelling of 11550006520020 in words is "eleven trillion, five hundred fifty billion, six million, five hundred twenty thousand, twenty".