100785894601 has 4 divisors (see below), whose sum is σ = 115183879552. Its totient is φ = 86387909652.

The previous prime is 100785894581. The next prime is 100785894623. The reversal of 100785894601 is 106498587001.

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 100785894601 - 2⁵ = 100785894569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100785894661) 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, 7198992465 + ... + 7198992478.

It is an arithmetic number, because the mean of its divisors is an integer number (28795969888).

Almost surely, 2^100785894601 is an apocalyptic number.

It is an amenable number.

100785894601 is a deficient number, since it is larger than the sum of its proper divisors (14397984951).

100785894601 is an equidigital number, since it uses as much as digits as its factorization.

100785894601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14397984950.

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 100785894601 in words is "one hundred billion, seven hundred eighty-five million, eight hundred ninety-four thousand, six hundred one".