1315435135541 has 4 divisors (see below), whose sum is σ = 1321333948032. Its totient is φ = 1309536323052.

The previous prime is 1315435135537. The next prime is 1315435135643. The reversal of 1315435135541 is 1455315345131.

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 1315435135541 - 2² = 1315435135537 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 (1315435135501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2949405911 + ... + 2949406356.

It is an arithmetic number, because the mean of its divisors is an integer number (330333487008).

Almost surely, 2^{1315435135541} is an apocalyptic number.

It is an amenable number.

1315435135541 is a deficient number, since it is larger than the sum of its proper divisors (5898812491).

1315435135541 is an equidigital number, since it uses as much as digits as its factorization.

1315435135541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5898812490.

The product of its digits is 270000, while the sum is 41.

The spelling of 1315435135541 in words is "one trillion, three hundred fifteen billion, four hundred thirty-five million, one hundred thirty-five thousand, five hundred forty-one".