11621004045500 has 24 divisors (see below), whose sum is σ = 25380272836464. Its totient is φ = 4648401618000.

The previous prime is 11621004045487. The next prime is 11621004045509. The reversal of 11621004045500 is 554040012611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621004045509) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11621003546 + ... + 11621004545.

It is an arithmetic number, because the mean of its divisors is an integer number (1057511368186).

Almost surely, 2^{11621004045500} is an apocalyptic number.

11621004045500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11621004045500 is an abundant number, since it is smaller than the sum of its proper divisors (13759268790964).

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

11621004045500 is a wasteful number, since it uses less digits than its factorization.

11621004045500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23242008110 (or 23242008098 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 11621004045500 in words is "eleven trillion, six hundred twenty-one billion, four million, forty-five thousand, five hundred".