1313452025361 has 24 divisors (see below), whose sum is σ = 2170958846784. Its totient is φ = 749602274400.

The previous prime is 1313452025341. The next prime is 1313452025381. The reversal of 1313452025361 is 1635202543131.

1313452025361 is a `hidden beast` number, since 1 + 3 + 1 + 345 + 2 + 0 + 253 + 61 = 666.

It is an interprime number because it is at equal distance from previous prime (1313452025341) and next prime (1313452025381).

It is not a de Polignac number, because 1313452025361 - 2¹³ = 1313452017169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313452025341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13029115 + ... + 13129536.

It is an arithmetic number, because the mean of its divisors is an integer number (90456618616).

Almost surely, 2^{1313452025361} is an apocalyptic number.

It is an amenable number.

1313452025361 is a deficient number, since it is larger than the sum of its proper divisors (857506821423).

1313452025361 is a wasteful number, since it uses less digits than its factorization.

1313452025361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26159461 (or 26159458 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 1313452025361 its reverse (1635202543131), we get a palindrome (2948654568492).

The spelling of 1313452025361 in words is "one trillion, three hundred thirteen billion, four hundred fifty-two million, twenty-five thousand, three hundred sixty-one".