1061813013001 has 8 divisors (see below), whose sum is σ = 1153981681160. Its totient is φ = 971143022592.

The previous prime is 1061813012941. The next prime is 1061813013007. The reversal of 1061813013001 is 1003103181601.

It can be written as a sum of positive squares in 4 ways, for example, as 41026097401 + 1020786915600 = 202549^2 + 1010340^2 .

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 1061813013001 - 2⁷ = 1061813012873 is a prime.

It is a super-2 number, since 2×1061813013001² (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 (1061813013007) 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, 374667960 + ... + 374670793.

It is an arithmetic number, because the mean of its divisors is an integer number (144247710145).

Almost surely, 2^{1061813013001} is an apocalyptic number.

It is an amenable number.

1061813013001 is a deficient number, since it is larger than the sum of its proper divisors (92168668159).

1061813013001 is a wasteful number, since it uses less digits than its factorization.

1061813013001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749338875.

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 1061813013001 its reverse (1003103181601), we get a palindrome (2064916194602).

The spelling of 1061813013001 in words is "one trillion, sixty-one billion, eight hundred thirteen million, thirteen thousand, one".