11451113323020 has 192 divisors, whose sum is σ = 41217725875200. Its totient is φ = 2617397260992.

The previous prime is 11451113323019. The next prime is 11451113323031. The reversal of 11451113323020 is 2032331115411.

11451113323020 is a `hidden beast` number, since 1 + 14 + 5 + 1 + 11 + 332 + 302 + 0 = 666.

It is a super-2 number, since 2×11451113323020² (a number of 27 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18393790 + ... + 19006149.

It is an arithmetic number, because the mean of its divisors is an integer number (214675655600).

Almost surely, 2^{11451113323020} is an apocalyptic number.

11451113323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11451113323020 is an abundant number, since it is smaller than the sum of its proper divisors (29766612552180).

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

11451113323020 is an equidigital number, since it uses as much as digits as its factorization.

11451113323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37399976 (or 37399956 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 11451113323020 its reverse (2032331115411), we get a palindrome (13483444438431).

The spelling of 11451113323020 in words is "eleven trillion, four hundred fifty-one billion, one hundred thirteen million, three hundred twenty-three thousand, twenty".