1106531626261 has 4 divisors (see below), whose sum is σ = 1154641696992. Its totient is φ = 1058421555532.

The previous prime is 1106531626243. The next prime is 1106531626267. The reversal of 1106531626261 is 1626261356011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1106531626261 - 2²³ = 1106523237653 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106531626267) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24055035331 + ... + 24055035376.

It is an arithmetic number, because the mean of its divisors is an integer number (288660424248).

Almost surely, 2^{1106531626261} is an apocalyptic number.

It is an amenable number.

1106531626261 is a deficient number, since it is larger than the sum of its proper divisors (48110070731).

1106531626261 is an equidigital number, since it uses as much as digits as its factorization.

1106531626261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48110070730.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 1106531626261 in words is "one trillion, one hundred six billion, five hundred thirty-one million, six hundred twenty-six thousand, two hundred sixty-one".