1311615136145 has 8 divisors (see below), whose sum is σ = 1577491073856. Its totient is φ = 1046923501936.

The previous prime is 1311615136133. The next prime is 1311615136151. The reversal of 1311615136145 is 5416315161131.

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

It is a cyclic number.

It is not a de Polignac number, because 1311615136145 - 2²⁴ = 1311598358929 is a prime.

It is a super-2 number, since 2×1311615136145² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1311615136099 and 1311615136108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296073437 + ... + 296077866.

It is an arithmetic number, because the mean of its divisors is an integer number (197186384232).

Almost surely, 2^{1311615136145} is an apocalyptic number.

It is an amenable number.

1311615136145 is a deficient number, since it is larger than the sum of its proper divisors (265875937711).

1311615136145 is an equidigital number, since it uses as much as digits as its factorization.

1311615136145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592151751.

The product of its digits is 32400, while the sum is 38.

The spelling of 1311615136145 in words is "one trillion, three hundred eleven billion, six hundred fifteen million, one hundred thirty-six thousand, one hundred forty-five".