201550131241004 has 24 divisors (see below), whose sum is σ = 434107974981408. Its totient is φ = 79734117853440.

The previous prime is 201550131241003. The next prime is 201550131241013. The reversal of 201550131241004 is 400142131055102.

It is a happy number.

201550131241004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201550131241004² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201550131241003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276854575517 + ... + 276854576244.

It is an arithmetic number, because the mean of its divisors is an integer number (18087832290892).

Almost surely, 2^{201550131241004} is an apocalyptic number.

It is an amenable number.

201550131241004 is an abundant number, since it is smaller than the sum of its proper divisors (232557843740404).

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

201550131241004 is a wasteful number, since it uses less digits than its factorization.

201550131241004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553709151785 (or 553709151783 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 201550131241004 its reverse (400142131055102), we get a palindrome (601692262296106).

The spelling of 201550131241004 in words is "two hundred one trillion, five hundred fifty billion, one hundred thirty-one million, two hundred forty-one thousand, four".