1312503097655 has 8 divisors (see below), whose sum is σ = 1578744821184. Its totient is φ = 1047508408800.

The previous prime is 1312503097651. The next prime is 1312503097667. The reversal of 1312503097655 is 5567903052131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1312503097655 - 2² = 1312503097651 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 (1312503097651) 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 7 ways as a sum of consecutive naturals, for example, 311756351 + ... + 311760560.

It is an arithmetic number, because the mean of its divisors is an integer number (197343102648).

Almost surely, 2^{1312503097655} is an apocalyptic number.

1312503097655 is a deficient number, since it is larger than the sum of its proper divisors (266241723529).

1312503097655 is an equidigital number, since it uses as much as digits as its factorization.

1312503097655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623517337.

The product of its (nonzero) digits is 850500, while the sum is 47.

The spelling of 1312503097655 in words is "one trillion, three hundred twelve billion, five hundred three million, ninety-seven thousand, six hundred fifty-five".