1061116423121 has 4 divisors (see below), whose sum is σ = 1061127950244. Its totient is φ = 1061104896000.

The previous prime is 1061116423079. The next prime is 1061116423127. The reversal of 1061116423121 is 1213246111601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 629382008896 + 431734414225 = 793336^2 + 657065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061116423121 is a prime.

It is a super-2 number, since 2×1061116423121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061116423127) 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, 5624360 + ... + 5809961.

It is an arithmetic number, because the mean of its divisors is an integer number (265281987561).

Almost surely, 2^{1061116423121} is an apocalyptic number.

It is an amenable number.

1061116423121 is a deficient number, since it is larger than the sum of its proper divisors (11527123).

1061116423121 is an equidigital number, since it uses as much as digits as its factorization.

1061116423121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11527122.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 1061116423121 in words is "one trillion, sixty-one billion, one hundred sixteen million, four hundred twenty-three thousand, one hundred twenty-one".