11471228539623 has 24 divisors (see below), whose sum is σ = 16622380062288. Its totient is φ = 7623105288192.

The previous prime is 11471228539591. The next prime is 11471228539657. The reversal of 11471228539623 is 32693582217411.

11471228539623 is a `hidden beast` number, since 1 + 1 + 4 + 7 + 1 + 2 + 2 + 8 + 5 + 3 + 9 + 623 = 666.

11471228539623 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 11471228539623 - 2⁵ = 11471228539591 is a prime.

It is a super-2 number, since 2×11471228539623² (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 11471228539623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11471228539123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126676440 + ... + 126766962.

It is an arithmetic number, because the mean of its divisors is an integer number (692599169262).

Almost surely, 2^{11471228539623} is an apocalyptic number.

11471228539623 is a deficient number, since it is larger than the sum of its proper divisors (5151151522665).

11471228539623 is a wasteful number, since it uses less digits than its factorization.

11471228539623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135263 (or 135260 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 11471228539623 in words is "eleven trillion, four hundred seventy-one billion, two hundred twenty-eight million, five hundred thirty-nine thousand, six hundred twenty-three".