105550651061 has 4 divisors (see below), whose sum is σ = 105560496012. Its totient is φ = 105540806112.

The previous prime is 105550651057. The next prime is 105550651097. The reversal of 105550651061 is 160156055501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51089560900 + 54461090161 = 226030^2 + 233369^2 .

It is a cyclic number.

It is not a de Polignac number, because 105550651061 - 2² = 105550651057 is a prime.

It is a super-2 number, since 2×105550651061² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105550651861) 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, 4906376 + ... + 4927841.

It is an arithmetic number, because the mean of its divisors is an integer number (26390124003).

Almost surely, 2^105550651061 is an apocalyptic number.

It is an amenable number.

105550651061 is a deficient number, since it is larger than the sum of its proper divisors (9844951).

105550651061 is an equidigital number, since it uses as much as digits as its factorization.

105550651061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9844950.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 105550651061 in words is "one hundred five billion, five hundred fifty million, six hundred fifty-one thousand, sixty-one".