1355434331315 has 4 divisors (see below), whose sum is σ = 1626521197584. Its totient is φ = 1084347465048.

The previous prime is 1355434331309. The next prime is 1355434331357. The reversal of 1355434331315 is 5131334345531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1355434331315 - 2⁸ = 1355434331059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135543433127 + ... + 135543433136.

It is an arithmetic number, because the mean of its divisors is an integer number (406630299396).

Almost surely, 2^{1355434331315} is an apocalyptic number.

1355434331315 is a deficient number, since it is larger than the sum of its proper divisors (271086866269).

1355434331315 is an equidigital number, since it uses as much as digits as its factorization.

1355434331315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271086866268.

The product of its digits is 486000, while the sum is 41.

Adding to 1355434331315 its reverse (5131334345531), we get a palindrome (6486768676846).

The spelling of 1355434331315 in words is "one trillion, three hundred fifty-five billion, four hundred thirty-four million, three hundred thirty-one thousand, three hundred fifteen".