131005552000 has 128 divisors (see below), whose sum is σ = 331054570080. Its totient is φ = 51542784000.

The previous prime is 131005551979. The next prime is 131005552001. The reversal of 131005552000 is 255500131.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131005552001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 908887 + ... + 1043113.

Almost surely, 2^131005552000 is an apocalyptic number.

131005552000 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 131005552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165527285040).

131005552000 is an abundant number, since it is smaller than the sum of its proper divisors (200049018080).

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

131005552000 is an equidigital number, since it uses as much as digits as its factorization.

131005552000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134317 (or 134295 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The spelling of 131005552000 in words is "one hundred thirty-one billion, five million, five hundred fifty-two thousand".