11455423020 has 72 divisors (see below), whose sum is σ = 35317791600. Its totient is φ = 3004698240.

The previous prime is 11455422971. The next prime is 11455423037. The reversal of 11455423020 is 2032455411.

11455423020 is a `hidden beast` number, since 114 + 5 + 542 + 3 + 0 + 2 + 0 = 666.

11455423020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 510670 + ... + 532629.

Almost surely, 2^11455423020 is an apocalyptic number.

11455423020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11455423020 is an abundant number, since it is smaller than the sum of its proper divisors (23862368580).

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

11455423020 is a wasteful number, since it uses less digits than its factorization.

11455423020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043375 (or 1043370 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 11455423020 its reverse (2032455411), we get a palindrome (13487878431).

The spelling of 11455423020 in words is "eleven billion, four hundred fifty-five million, four hundred twenty-three thousand, twenty".