1312575515101 has 4 divisors (see below), whose sum is σ = 1314655667104. Its totient is φ = 1310495363100.

The previous prime is 1312575515071. The next prime is 1312575515107. The reversal of 1312575515101 is 1015155752131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1312575515101 - 2¹³ = 1312575506909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312575515107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040075055 + ... + 1040076316.

It is an arithmetic number, because the mean of its divisors is an integer number (328663916776).

Almost surely, 2^{1312575515101} is an apocalyptic number.

It is an amenable number.

1312575515101 is a deficient number, since it is larger than the sum of its proper divisors (2080152003).

1312575515101 is an equidigital number, since it uses as much as digits as its factorization.

1312575515101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080152002.

The product of its (nonzero) digits is 26250, while the sum is 37.

The spelling of 1312575515101 in words is "one trillion, three hundred twelve billion, five hundred seventy-five million, five hundred fifteen thousand, one hundred one".