11451103146 has 96 divisors (see below), whose sum is σ = 28942917120. Its totient is φ = 3204336672.

The previous prime is 11451103133. The next prime is 11451103163. The reversal of 11451103146 is 64130115411.

11451103146 is a `hidden beast` number, since 1 + 1 + 4 + 511 + 0 + 3 + 146 = 666.

It is a super-2 number, since 2×11451103146² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2101101 + ... + 2106543.

It is an arithmetic number, because the mean of its divisors is an integer number (301488720).

Almost surely, 2^11451103146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11451103146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14471458560).

11451103146 is an abundant number, since it is smaller than the sum of its proper divisors (17491813974).

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

11451103146 is a wasteful number, since it uses less digits than its factorization.

11451103146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5800 (or 5797 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 11451103146 its reverse (64130115411), we get a palindrome (75581218557).

The spelling of 11451103146 in words is "eleven billion, four hundred fifty-one million, one hundred three thousand, one hundred forty-six".