1105501011061 has 4 divisors (see below), whose sum is σ = 1107416957932. Its totient is φ = 1103585064192.

The previous prime is 1105501011049. The next prime is 1105501011067. The reversal of 1105501011061 is 1601101055011.

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 549926064900 + 555574946161 = 741570^2 + 745369^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105501011061 - 2¹⁵ = 1105500978293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105501011067) 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, 957972570 + ... + 957973723.

It is an arithmetic number, because the mean of its divisors is an integer number (276854239483).

Almost surely, 2^{1105501011061} is an apocalyptic number.

It is an amenable number.

1105501011061 is a deficient number, since it is larger than the sum of its proper divisors (1915946871).

1105501011061 is an equidigital number, since it uses as much as digits as its factorization.

1105501011061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915946870.

The product of its (nonzero) digits is 150, while the sum is 22.

Adding to 1105501011061 its reverse (1601101055011), we get a palindrome (2706602066072).

The spelling of 1105501011061 in words is "one trillion, one hundred five billion, five hundred one million, eleven thousand, sixty-one".