1105451001055 has 16 divisors (see below), whose sum is σ = 1377727626240. Its totient is φ = 850874355232.

The previous prime is 1105451001049. The next prime is 1105451001077. The reversal of 1105451001055 is 5501001545011.

It is a cyclic number.

It is not a de Polignac number, because 1105451001055 - 2³ = 1105451001047 is a prime.

It is a super-2 number, since 2×1105451001055² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39850939 + ... + 39878668.

It is an arithmetic number, because the mean of its divisors is an integer number (86107976640).

Almost surely, 2^{1105451001055} is an apocalyptic number.

1105451001055 is a deficient number, since it is larger than the sum of its proper divisors (272276625185).

1105451001055 is an equidigital number, since it uses as much as digits as its factorization.

1105451001055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79729718.

The product of its (nonzero) digits is 2500, while the sum is 28.

Adding to 1105451001055 its reverse (5501001545011), we get a palindrome (6606452546066).

The spelling of 1105451001055 in words is "one trillion, one hundred five billion, four hundred fifty-one million, one thousand, fifty-five".