1353234515205 has 32 divisors (see below), whose sum is σ = 2243759506560. Its totient is φ = 695617493760.

The previous prime is 1353234515167. The next prime is 1353234515239. The reversal of 1353234515205 is 5025154323531.

It is not a de Polignac number, because 1353234515205 - 2⁸ = 1353234514949 is a prime.

It is a super-2 number, since 2×1353234515205² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2475682 + ... + 2972451.

It is an arithmetic number, because the mean of its divisors is an integer number (70117484580).

Almost surely, 2^{1353234515205} is an apocalyptic number.

1353234515205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1353234515205 is a deficient number, since it is larger than the sum of its proper divisors (890524991355).

1353234515205 is a wasteful number, since it uses less digits than its factorization.

1353234515205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448741.

The product of its (nonzero) digits is 270000, while the sum is 39.

Adding to 1353234515205 its reverse (5025154323531), we get a palindrome (6378388838736).

The spelling of 1353234515205 in words is "one trillion, three hundred fifty-three billion, two hundred thirty-four million, five hundred fifteen thousand, two hundred five".