105501001061 has 4 divisors (see below), whose sum is σ = 105542490432. Its totient is φ = 105459511692.

The previous prime is 105501001051. The next prime is 105501001091. The reversal of 105501001061 is 160100105501.

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 105501001061 - 2²⁶ = 105433892197 is a prime.

It is a super-2 number, since 2×105501001061² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105501001051) 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, 20740871 + ... + 20745956.

It is an arithmetic number, because the mean of its divisors is an integer number (26385622608).

Almost surely, 2^105501001061 is an apocalyptic number.

It is an amenable number.

105501001061 is a deficient number, since it is larger than the sum of its proper divisors (41489371).

105501001061 is an equidigital number, since it uses as much as digits as its factorization.

105501001061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41489370.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 105501001061 its reverse (160100105501), we get a palindrome (265601106562).

The spelling of 105501001061 in words is "one hundred five billion, five hundred one million, one thousand, sixty-one".