1011423445452 has 288 divisors, whose sum is σ = 3048478078464. Its totient is φ = 276732288000.

The previous prime is 1011423445433. The next prime is 1011423445559. The reversal of 1011423445452 is 2545443241101.

1011423445452 is a `hidden beast` number, since 10 + 1 + 142 + 3 + 4 + 454 + 52 = 666.

1011423445452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 217461327 + ... + 217465977.

It is an arithmetic number, because the mean of its divisors is an integer number (10584993328).

Almost surely, 2^{1011423445452} is an apocalyptic number.

1011423445452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011423445452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524239039232).

1011423445452 is an abundant number, since it is smaller than the sum of its proper divisors (2037054633012).

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

1011423445452 is a wasteful number, since it uses less digits than its factorization.

1011423445452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069 (or 5064 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 1011423445452 its reverse (2545443241101), we get a palindrome (3556866686553).

The spelling of 1011423445452 in words is "one trillion, eleven billion, four hundred twenty-three million, four hundred forty-five thousand, four hundred fifty-two".