105550001061001 has 4 divisors (see below), whose sum is σ = 120628572641152. Its totient is φ = 90471429480852.

The previous prime is 105550001060899. The next prime is 105550001061053. The reversal of 105550001061001 is 100160100055501.

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 not a de Polignac number, because 105550001061001 - 2³⁵ = 105515641322633 is a prime.

It is a super-2 number, since 2×105550001061001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105550001061101) 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, 7539285790065 + ... + 7539285790078.

It is an arithmetic number, because the mean of its divisors is an integer number (30157143160288).

Almost surely, 2^{105550001061001} is an apocalyptic number.

It is an amenable number.

105550001061001 is a deficient number, since it is larger than the sum of its proper divisors (15078571580151).

105550001061001 is an equidigital number, since it uses as much as digits as its factorization.

105550001061001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15078571580150.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 105550001061001 in words is "one hundred five trillion, five hundred fifty billion, one million, sixty-one thousand, one".