131155534425200 has 120 divisors (see below), whose sum is σ = 318362091334560. Its totient is φ = 51919335014400.

The previous prime is 131155534425199. The next prime is 131155534425203. The reversal of 131155534425200 is 2524435551131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131155534425203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1343633996 + ... + 1343731604.

It is an arithmetic number, because the mean of its divisors is an integer number (2653017427788).

Almost surely, 2^{131155534425200} is an apocalyptic number.

131155534425200 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 131155534425200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159181045667280).

131155534425200 is an abundant number, since it is smaller than the sum of its proper divisors (187206556909360).

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

131155534425200 is a wasteful number, since it uses less digits than its factorization.

131155534425200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132355 (or 132344 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 131155534425200 its reverse (2524435551131), we get a palindrome (133679969976331).

The spelling of 131155534425200 in words is "one hundred thirty-one trillion, one hundred fifty-five billion, five hundred thirty-four million, four hundred twenty-five thousand, two hundred".