1351427515205 has 16 divisors (see below), whose sum is σ = 1644612418944. Its totient is φ = 1065876826560.

The previous prime is 1351427515181. The next prime is 1351427515211. The reversal of 1351427515205 is 5025157241531.

It is not a de Polignac number, because 1351427515205 - 2⁸ = 1351427514949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14165594 + ... + 14260676.

It is an arithmetic number, because the mean of its divisors is an integer number (102788276184).

Almost surely, 2^{1351427515205} is an apocalyptic number.

It is an amenable number.

1351427515205 is a deficient number, since it is larger than the sum of its proper divisors (293184903739).

1351427515205 is an equidigital number, since it uses as much as digits as its factorization.

1351427515205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135196.

The product of its (nonzero) digits is 210000, while the sum is 41.

The spelling of 1351427515205 in words is "one trillion, three hundred fifty-one billion, four hundred twenty-seven million, five hundred fifteen thousand, two hundred five".