100601511641 has 4 divisors (see below), whose sum is σ = 104975490432. Its totient is φ = 96227532852.

The previous prime is 100601511631. The next prime is 100601511679. The reversal of 100601511641 is 146115106001.

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 100601511641 - 2³⁴ = 83421642457 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 100601511641.

It is not an unprimeable number, because it can be changed into a prime (100601511631) 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, 2186989361 + ... + 2186989406.

It is an arithmetic number, because the mean of its divisors is an integer number (26243872608).

Almost surely, 2^100601511641 is an apocalyptic number.

It is an amenable number.

100601511641 is a deficient number, since it is larger than the sum of its proper divisors (4373978791).

100601511641 is an equidigital number, since it uses as much as digits as its factorization.

100601511641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373978790.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 100601511641 its reverse (146115106001), we get a palindrome (246716617642).

The spelling of 100601511641 in words is "one hundred billion, six hundred one million, five hundred eleven thousand, six hundred forty-one".