1105550500601 has 4 divisors (see below), whose sum is σ = 1105561079652. Its totient is φ = 1105539921552.

The previous prime is 1105550500591. The next prime is 1105550500631. The reversal of 1105550500601 is 1060050555011.

It is a happy number.

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 405926991376 + 699623509225 = 637124^2 + 836435^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105550500601 - 2¹⁰ = 1105550499577 is a prime.

It is a super-2 number, since 2×1105550500601² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105550500631) 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, 5131190 + ... + 5342303.

It is an arithmetic number, because the mean of its divisors is an integer number (276390269913).

Almost surely, 2^{1105550500601} is an apocalyptic number.

It is an amenable number.

1105550500601 is a deficient number, since it is larger than the sum of its proper divisors (10579051).

1105550500601 is a wasteful number, since it uses less digits than its factorization.

1105550500601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10579050.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 1105550500601 in words is "one trillion, one hundred five billion, five hundred fifty million, five hundred thousand, six hundred one".