131125070000 has 100 divisors (see below), whose sum is σ = 331270397040. Its totient is φ = 50169504000.

The previous prime is 131125069991. The next prime is 131125070003. The reversal of 131125070000 is 70521131.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (131125070003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55055 + ... + 515054.

Almost surely, 2^131125070000 is an apocalyptic number.

131125070000 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 131125070000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165635198520).

131125070000 is an abundant number, since it is smaller than the sum of its proper divisors (200145327040).

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

131125070000 is an equidigital number, since it uses as much as digits as its factorization.

131125070000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570160 (or 570139 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 20.

Adding to 131125070000 its reverse (70521131), we get a palindrome (131195591131).

The spelling of 131125070000 in words is "one hundred thirty-one billion, one hundred twenty-five million, seventy thousand".