11454424542 has 32 divisors (see below), whose sum is σ = 27768303360. Its totient is φ = 3471037560.

The previous prime is 11454424537. The next prime is 11454424559. The reversal of 11454424542 is 24542445411.

11454424542 is a `hidden beast` number, since 11 + 45 + 44 + 24 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11454424497 and 11454424506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9641178 + ... + 9642365.

It is an arithmetic number, because the mean of its divisors is an integer number (867759480).

Almost surely, 2^11454424542 is an apocalyptic number.

11454424542 is an abundant number, since it is smaller than the sum of its proper divisors (16313878818).

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

11454424542 is a wasteful number, since it uses less digits than its factorization.

11454424542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19283565 (or 19283559 counting only the distinct ones).

The product of its digits is 102400, while the sum is 36.

Adding to 11454424542 its reverse (24542445411), we get a palindrome (35996869953).

The spelling of 11454424542 in words is "eleven billion, four hundred fifty-four million, four hundred twenty-four thousand, five hundred forty-two".