11451123602442 has 96 divisors (see below), whose sum is σ = 27660192880320. Its totient is φ = 3402528422400.

The previous prime is 11451123602353. The next prime is 11451123602447. The reversal of 11451123602442 is 24420632115411.

11451123602442 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 1 + 1 + 2 + 3 + 602 + 4 + 42 = 666.

It is a super-2 number, since 2×11451123602442² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11451123602397 and 11451123602406.

It is not an unprimeable number, because it can be changed into a prime (11451123602447) 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, 21851692 + ... + 22369592.

It is an arithmetic number, because the mean of its divisors is an integer number (288127009170).

Almost surely, 2^{11451123602442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11451123602442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13830096440160).

11451123602442 is an abundant number, since it is smaller than the sum of its proper divisors (16209069277878).

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

11451123602442 is a wasteful number, since it uses less digits than its factorization.

11451123602442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521748 (or 521745 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 11451123602442 its reverse (24420632115411), we get a palindrome (35871755717853).

The spelling of 11451123602442 in words is "eleven trillion, four hundred fifty-one billion, one hundred twenty-three million, six hundred two thousand, four hundred forty-two".