1306111620532 has 6 divisors (see below), whose sum is σ = 2285695335938. Its totient is φ = 653055810264.

The previous prime is 1306111620529. The next prime is 1306111620533. The reversal of 1306111620532 is 2350261116031.

It can be written as a sum of positive squares in only one way, i.e., 1122675870096 + 183435750436 = 1059564^2 + 428294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1306111620494 and 1306111620503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306111620533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163263952563 + ... + 163263952570.

Almost surely, 2^{1306111620532} is an apocalyptic number.

It is an amenable number.

1306111620532 is a deficient number, since it is larger than the sum of its proper divisors (979583715406).

1306111620532 is a wasteful number, since it uses less digits than its factorization.

1306111620532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326527905137 (or 326527905135 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 1306111620532 its reverse (2350261116031), we get a palindrome (3656372736563).

The spelling of 1306111620532 in words is "one trillion, three hundred six billion, one hundred eleven million, six hundred twenty thousand, five hundred thirty-two".