1351032405205 has 32 divisors (see below), whose sum is σ = 1950954451200. Its totient is φ = 877396810752.

The previous prime is 1351032405199. The next prime is 1351032405287. The reversal of 1351032405205 is 5025042301531.

It is not a de Polignac number, because 1351032405205 - 2⁹ = 1351032404693 is a prime.

It is a super-2 number, since 2×1351032405205² (a number of 25 digits) contains 22 as substring.

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, 1896531 + ... + 2509759.

It is an arithmetic number, because the mean of its divisors is an integer number (60967326600).

Almost surely, 2^{1351032405205} is an apocalyptic number.

It is an amenable number.

1351032405205 is a deficient number, since it is larger than the sum of its proper divisors (599922045995).

1351032405205 is a wasteful number, since it uses less digits than its factorization.

1351032405205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616573.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 1351032405205 its reverse (5025042301531), we get a palindrome (6376074706736).

The spelling of 1351032405205 in words is "one trillion, three hundred fifty-one billion, thirty-two million, four hundred five thousand, two hundred five".