250115142100 has 18 divisors (see below), whose sum is σ = 542749858574. Its totient is φ = 100046056800.

The previous prime is 250115142041. The next prime is 250115142107. The reversal of 250115142100 is 1241511052.

It can be written as a sum of positive squares in 3 ways, for example, as 88178114704 + 161937027396 = 296948^2 + 402414^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250115142107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1250575611 + ... + 1250575810.

Almost surely, 2^250115142100 is an apocalyptic number.

250115142100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250115142100 is an abundant number, since it is smaller than the sum of its proper divisors (292634716474).

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

250115142100 is a wasteful number, since it uses less digits than its factorization.

250115142100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501151435 (or 2501151428 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 250115142100 its reverse (1241511052), we get a palindrome (251356653152).

The spelling of 250115142100 in words is "two hundred fifty billion, one hundred fifteen million, one hundred forty-two thousand, one hundred".