100601105551055 has 8 divisors (see below), whose sum is σ = 120733918908912. Its totient is φ = 80472489609088.

The previous prime is 100601105551021. The next prime is 100601105551117. The reversal of 100601105551055 is 550155501106001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100601105551055 - 2¹² = 100601105546959 is a prime.

It is a super-2 number, since 2×100601105551055² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049301242 + ... + 1049397111.

It is an arithmetic number, because the mean of its divisors is an integer number (15091739863614).

Almost surely, 2^{100601105551055} is an apocalyptic number.

100601105551055 is a deficient number, since it is larger than the sum of its proper divisors (20132813357857).

100601105551055 is an equidigital number, since it uses as much as digits as its factorization.

100601105551055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098707945.

The product of its (nonzero) digits is 18750, while the sum is 35.

Adding to 100601105551055 its reverse (550155501106001), we get a palindrome (650756606657056).

The spelling of 100601105551055 in words is "one hundred trillion, six hundred one billion, one hundred five million, five hundred fifty-one thousand, fifty-five".