1101106551 has 4 divisors (see below), whose sum is σ = 1468142072. Its totient is φ = 734071032.

The previous prime is 1101106549. The next prime is 1101106561. The reversal of 1101106551 is 1556011011.

It is a happy number.

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

It is not a de Polignac number, because 1101106551 - 2¹ = 1101106549 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 (1101106511) 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, 183517756 + ... + 183517761.

It is an arithmetic number, because the mean of its divisors is an integer number (367035518).

Almost surely, 2^1101106551 is an apocalyptic number.

1101106551 is a deficient number, since it is larger than the sum of its proper divisors (367035521).

1101106551 is an equidigital number, since it uses as much as digits as its factorization.

1101106551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367035520.

The product of its (nonzero) digits is 150, while the sum is 21.

The square root of 1101106551 is about 33182.9255943475. The cubic root of 1101106551 is about 1032.6261420574.

Adding to 1101106551 its reverse (1556011011), we get a palindrome (2657117562).

The spelling of 1101106551 in words is "one billion, one hundred one million, one hundred six thousand, five hundred fifty-one".