11500133134450 has 24 divisors (see below), whose sum is σ = 21391279374960. Its totient is φ = 4599831373200.

The previous prime is 11500133134439. The next prime is 11500133134453. The reversal of 11500133134450 is 5443133100511.

11500133134450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11500133134450² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11500133134453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4498080 + ... + 6575179.

It is an arithmetic number, because the mean of its divisors is an integer number (891303307290).

Almost surely, 2^{11500133134450} is an apocalyptic number.

11500133134450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11500133134450 is a deficient number, since it is larger than the sum of its proper divisors (9891146240510).

11500133134450 is a wasteful number, since it uses less digits than its factorization.

11500133134450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11094042 (or 11094037 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 11500133134450 its reverse (5443133100511), we get a palindrome (16943266234961).

The spelling of 11500133134450 in words is "eleven trillion, five hundred billion, one hundred thirty-three million, one hundred thirty-four thousand, four hundred fifty".