100115250001 has 12 divisors (see below), whose sum is σ = 114785813772. Its totient is φ = 86977952256.

The previous prime is 100115249959. The next prime is 100115250023. The reversal of 100115250001 is 100052511001.

It can be written as a sum of positive squares in 6 ways, for example, as 91699776 + 100023550225 = 9576^2 + 316265^2 .

It is a de Polignac number, because none of the positive numbers 2^k-100115250001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100115250031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17420596 + ... + 17426341.

It is an arithmetic number, because the mean of its divisors is an integer number (9565484481).

Almost surely, 2^100115250001 is an apocalyptic number.

It is an amenable number.

100115250001 is a deficient number, since it is larger than the sum of its proper divisors (14670563771).

100115250001 is a wasteful number, since it uses less digits than its factorization.

100115250001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34846980 (or 34846967 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 16.

Adding to 100115250001 its reverse (100052511001), we get a palindrome (200167761002).

The spelling of 100115250001 in words is "one hundred billion, one hundred fifteen million, two hundred fifty thousand, one".