11453424111 has 64 divisors (see below), whose sum is σ = 18325910400. Its totient is φ = 7054387200.

The previous prime is 11453424109. The next prime is 11453424119. The reversal of 11453424111 is 11142435411.

It is a happy number.

11453424111 is a `hidden beast` number, since 1 + 14 + 534 + 2 + 4 + 111 = 666.

It is not a de Polignac number, because 11453424111 - 2¹ = 11453424109 is a prime.

It is a super-2 number, since 2×11453424111² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11453424119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1763991 + ... + 1770471.

It is an arithmetic number, because the mean of its divisors is an integer number (286342350).

Almost surely, 2^11453424111 is an apocalyptic number.

11453424111 is a deficient number, since it is larger than the sum of its proper divisors (6872486289).

11453424111 is a wasteful number, since it uses less digits than its factorization.

11453424111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6617 (or 6611 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

Adding to 11453424111 its reverse (11142435411), we get a palindrome (22595859522).

The spelling of 11453424111 in words is "eleven billion, four hundred fifty-three million, four hundred twenty-four thousand, one hundred eleven".