13131453321066 has 16 divisors (see below), whose sum is σ = 26264409564384. Its totient is φ = 4376900619984.

The previous prime is 13131453321031. The next prime is 13131453321073. The reversal of 13131453321066 is 66012335413131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62508160 + ... + 62717883.

It is an arithmetic number, because the mean of its divisors is an integer number (1641525597774).

Almost surely, 2^{13131453321066} is an apocalyptic number.

13131453321066 is an abundant number, since it is smaller than the sum of its proper divisors (13132956243318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13131453321066 is a wasteful number, since it uses less digits than its factorization.

13131453321066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125243525.

The product of its (nonzero) digits is 116640, while the sum is 39.

Adding to 13131453321066 its reverse (66012335413131), we get a palindrome (79143788734197).

The spelling of 13131453321066 in words is "thirteen trillion, one hundred thirty-one billion, four hundred fifty-three million, three hundred twenty-one thousand, sixty-six".