1313560355251 has 16 divisors (see below), whose sum is σ = 1366658314240. Its totient is φ = 1261400830560.

The previous prime is 1313560355249. The next prime is 1313560355267. The reversal of 1313560355251 is 1525530653131.

It is a cyclic number.

It is not a de Polignac number, because 1313560355251 - 2¹ = 1313560355249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313560355231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7723210 + ... + 7891456.

It is an arithmetic number, because the mean of its divisors is an integer number (85416144640).

Almost surely, 2^{1313560355251} is an apocalyptic number.

1313560355251 is a deficient number, since it is larger than the sum of its proper divisors (53097958989).

1313560355251 is a wasteful number, since it uses less digits than its factorization.

1313560355251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171034.

The product of its (nonzero) digits is 202500, while the sum is 40.

The spelling of 1313560355251 in words is "one trillion, three hundred thirteen billion, five hundred sixty million, three hundred fifty-five thousand, two hundred fifty-one".