1110261131081 has 8 divisors (see below), whose sum is σ = 1151625220680. Its totient is φ = 1069102323072.

The previous prime is 1110261131017. The next prime is 1110261131099. The reversal of 1110261131081 is 1801311620111.

It can be written as a sum of positive squares in 4 ways, for example, as 565150615225 + 545110515856 = 751765^2 + 738316^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1110261131081 - 2⁶ = 1110261131017 is a prime.

It is a super-2 number, since 2×1110261131081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1110261131081.

It is not an unprimeable number, because it can be changed into a prime (1110261131281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51309380 + ... + 51331013.

It is an arithmetic number, because the mean of its divisors is an integer number (143953152585).

Almost surely, 2^{1110261131081} is an apocalyptic number.

It is an amenable number.

1110261131081 is a deficient number, since it is larger than the sum of its proper divisors (41364089599).

1110261131081 is a wasteful number, since it uses less digits than its factorization.

1110261131081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102640795.

The product of its (nonzero) digits is 288, while the sum is 26.

Adding to 1110261131081 its reverse (1801311620111), we get a palindrome (2911572751192).

The spelling of 1110261131081 in words is "one trillion, one hundred ten billion, two hundred sixty-one million, one hundred thirty-one thousand, eighty-one".