100958265601 has 4 divisors (see below), whose sum is σ = 103686867412. Its totient is φ = 98229663792.

The previous prime is 100958265491. The next prime is 100958265623. The reversal of 100958265601 is 106562859001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106562859001 = 18181 ⋅5861221.

It can be written as a sum of positive squares in 2 ways, for example, as 84476841201 + 16481424400 = 290649^2 + 128380^2 .

It is a cyclic number.

It is not a de Polignac number, because 100958265601 - 2²⁷ = 100824047873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100958265631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364300850 + ... + 1364300923.

It is an arithmetic number, because the mean of its divisors is an integer number (25921716853).

Almost surely, 2^100958265601 is an apocalyptic number.

It is an amenable number.

100958265601 is a deficient number, since it is larger than the sum of its proper divisors (2728601811).

100958265601 is an equidigital number, since it uses as much as digits as its factorization.

100958265601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728601810.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 100958265601 in words is "one hundred billion, nine hundred fifty-eight million, two hundred sixty-five thousand, six hundred one".