100115937697 has 2 divisors, whose sum is σ = 100115937698. Its totient is φ = 100115937696.

The previous prime is 100115937679. The next prime is 100115937737. The reversal of 100115937697 is 796739511001.

Together with previous prime (100115937679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95190143841 + 4925793856 = 308529^2 + 70184^2 .

It is a cyclic number.

It is not a de Polignac number, because 100115937697 - 2³⁵ = 65756199329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100115937697.

It is not a weakly prime, because it can be changed into another prime (100115937667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50057968848 + 50057968849.

It is an arithmetic number, because the mean of its divisors is an integer number (50057968849).

Almost surely, 2^100115937697 is an apocalyptic number.

It is an amenable number.

100115937697 is a deficient number, since it is larger than the sum of its proper divisors (1).

100115937697 is an equidigital number, since it uses as much as digits as its factorization.

100115937697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 357210, while the sum is 49.

The spelling of 100115937697 in words is "one hundred billion, one hundred fifteen million, nine hundred thirty-seven thousand, six hundred ninety-seven".