1011420603600 has 240 divisors, whose sum is σ = 3555627425280. Its totient is φ = 243724121600.

The previous prime is 1011420603581. The next prime is 1011420603601. The reversal of 1011420603600 is 63060241101.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011420603601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1974991 + ... + 2433809.

It is an arithmetic number, because the mean of its divisors is an integer number (14815114272).

Almost surely, 2^{1011420603600} is an apocalyptic number.

1011420603600 is a gapful number since it is divisible by the number (10) 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 1011420603600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1777813712640).

1011420603600 is an abundant number, since it is smaller than the sum of its proper divisors (2544206821680).

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

1011420603600 is a wasteful number, since it uses less digits than its factorization.

1011420603600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459018 (or 459007 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1011420603600 its reverse (63060241101), we get a palindrome (1074480844701).

The spelling of 1011420603600 in words is "one trillion, eleven billion, four hundred twenty million, six hundred three thousand, six hundred".