11621003512143 has 48 divisors (see below), whose sum is σ = 16557138823680. Its totient is φ = 7248330358272.

The previous prime is 11621003512121. The next prime is 11621003512169. The reversal of 11621003512143 is 34121530012611.

11621003512143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11621003512143 - 2⁹ = 11621003511631 is a prime.

It is a super-2 number, since 2×11621003512143² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11621003512143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621003512043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48940378 + ... + 49177256.

It is an arithmetic number, because the mean of its divisors is an integer number (344940392160).

Almost surely, 2^{11621003512143} is an apocalyptic number.

11621003512143 is a deficient number, since it is larger than the sum of its proper divisors (4936135311537).

11621003512143 is a wasteful number, since it uses less digits than its factorization.

11621003512143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237484 (or 237465 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 11621003512143 its reverse (34121530012611), we get a palindrome (45742533524754).

The spelling of 11621003512143 in words is "eleven trillion, six hundred twenty-one billion, three million, five hundred twelve thousand, one hundred forty-three".