11550033454540 has 576 divisors, whose sum is σ = 31232750653440. Its totient is φ = 3561062400000.

The previous prime is 11550033454537. The next prime is 11550033454549. The reversal of 11550033454540 is 4545433005511.

It is a super-2 number, since 2×11550033454540² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11550033454493 and 11550033454502.

It is not an unprimeable number, because it can be changed into a prime (11550033454549) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 18018772620 + ... + 18018773260.

It is an arithmetic number, because the mean of its divisors is an integer number (54223525440).

Almost surely, 2^{11550033454540} is an apocalyptic number.

11550033454540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11550033454540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15616375326720).

11550033454540 is an abundant number, since it is smaller than the sum of its proper divisors (19682717198900).

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

11550033454540 is a wasteful number, since it uses less digits than its factorization.

11550033454540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 11550033454540 in words is "eleven trillion, five hundred fifty billion, thirty-three million, four hundred fifty-four thousand, five hundred forty".