100601561207 has 4 divisors (see below), whose sum is σ = 114973212816. Its totient is φ = 86229909600.

The previous prime is 100601561191. The next prime is 100601561257. The reversal of 100601561207 is 702165106001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702165106001 = 1873 ⋅374887937.

It is a cyclic number.

It is not a de Polignac number, because 100601561207 - 2⁴ = 100601561191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100601561207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100601561257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7185825794 + ... + 7185825807.

It is an arithmetic number, because the mean of its divisors is an integer number (28743303204).

Almost surely, 2^100601561207 is an apocalyptic number.

100601561207 is a deficient number, since it is larger than the sum of its proper divisors (14371651609).

100601561207 is an equidigital number, since it uses as much as digits as its factorization.

100601561207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14371651608.

The product of its (nonzero) digits is 2520, while the sum is 29.

Adding to 100601561207 its reverse (702165106001), we get a palindrome (802766667208).

The spelling of 100601561207 in words is "one hundred billion, six hundred one million, five hundred sixty-one thousand, two hundred seven".