100280601857 has 4 divisors (see below), whose sum is σ = 100326124080. Its totient is φ = 100235079636.

The previous prime is 100280601851. The next prime is 100280601859. The reversal of 100280601857 is 758106082001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100280601857 - 2¹⁸ = 100280339713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100280601857.

It is not an unprimeable number, because it can be changed into a prime (100280601851) 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, 22757807 + ... + 22762212.

It is an arithmetic number, because the mean of its divisors is an integer number (25081531020).

Almost surely, 2^100280601857 is an apocalyptic number.

It is an amenable number.

100280601857 is a deficient number, since it is larger than the sum of its proper divisors (45522223).

100280601857 is an equidigital number, since it uses as much as digits as its factorization.

100280601857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45522222.

The product of its (nonzero) digits is 26880, while the sum is 38.

Adding to 100280601857 its reverse (758106082001), we get a palindrome (858386683858).

The spelling of 100280601857 in words is "one hundred billion, two hundred eighty million, six hundred one thousand, eight hundred fifty-seven".