11543430249999 has 24 divisors (see below), whose sum is σ = 16867993243920. Its totient is φ = 7606222299648.

The previous prime is 11543430249983. The next prime is 11543430250063. The reversal of 11543430249999 is 99994203434511.

11543430249999 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 3 + 430 + 24 + 99 + 99 = 666.

It is not a de Polignac number, because 11543430249999 - 2⁴ = 11543430249983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543430289999) 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, 8072769 + ... + 9394490.

It is an arithmetic number, because the mean of its divisors is an integer number (702833051830).

Almost surely, 2^{11543430249999} is an apocalyptic number.

11543430249999 is a deficient number, since it is larger than the sum of its proper divisors (5324562993921).

11543430249999 is a wasteful number, since it uses less digits than its factorization.

11543430249999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17468119 (or 17468116 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 63.

The spelling of 11543430249999 in words is "eleven trillion, five hundred forty-three billion, four hundred thirty million, two hundred forty-nine thousand, nine hundred ninety-nine".