200040131125 has 8 divisors (see below), whose sum is σ = 249650083800. Its totient is φ = 160032104800.

The previous prime is 200040131099. The next prime is 200040131131. The reversal of 200040131125 is 521131040002.

It can be written as a sum of positive squares in 4 ways, for example, as 55866522321 + 144173608804 = 236361^2 + 379702^2 .

It is a de Polignac number, because none of the positive numbers 2^k-200040131125 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800160400 + ... + 800160649.

It is an arithmetic number, because the mean of its divisors is an integer number (31206260475).

Almost surely, 2^200040131125 is an apocalyptic number.

200040131125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200040131125 is a deficient number, since it is larger than the sum of its proper divisors (49609952675).

200040131125 is an equidigital number, since it uses as much as digits as its factorization.

200040131125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600321064 (or 1600321054 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 200040131125 its reverse (521131040002), we get a palindrome (721171171127).

The spelling of 200040131125 in words is "two hundred billion, forty million, one hundred thirty-one thousand, one hundred twenty-five".