1100000511061 has 8 divisors (see below), whose sum is σ = 1116149702040. Its totient is φ = 1083963858432.

The previous prime is 1100000511047. The next prime is 1100000511073. The reversal of 1100000511061 is 1601150000011.

It can be written as a sum of positive squares in 4 ways, for example, as 207034100100 + 892966410961 = 455010^2 + 944969^2 .

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 1100000511061 - 2⁹ = 1100000510549 is a prime.

It is a super-2 number, since 2×1100000511061² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100000518061) 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, 28114896 + ... + 28153993.

It is an arithmetic number, because the mean of its divisors is an integer number (139518712755).

Almost surely, 2^{1100000511061} is an apocalyptic number.

It is an amenable number.

1100000511061 is a deficient number, since it is larger than the sum of its proper divisors (16149190979).

1100000511061 is a wasteful number, since it uses less digits than its factorization.

1100000511061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56269175.

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 1100000511061 its reverse (1601150000011), we get a palindrome (2701150511072).

The spelling of 1100000511061 in words is "one trillion, one hundred billion, five hundred eleven thousand, sixty-one".