601838155120 has 20 divisors (see below), whose sum is σ = 1399273710840. Its totient is φ = 240735262016.

The previous prime is 601838155109. The next prime is 601838155129. The reversal of 601838155120 is 21551838106.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601838155129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3761488390 + ... + 3761488549.

It is an arithmetic number, because the mean of its divisors is an integer number (69963685542).

Almost surely, 2^601838155120 is an apocalyptic number.

It is an amenable number.

601838155120 is an abundant number, since it is smaller than the sum of its proper divisors (797435555720).

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

601838155120 is a wasteful number, since it uses less digits than its factorization.

601838155120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7522976952 (or 7522976946 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 601838155120 in words is "six hundred one billion, eight hundred thirty-eight million, one hundred fifty-five thousand, one hundred twenty".