1351165505 has 16 divisors (see below), whose sum is σ = 1640533824. Its totient is φ = 1068225600.

The previous prime is 1351165489. The next prime is 1351165531. The reversal of 1351165505 is 5055611531.

It is not a de Polignac number, because 1351165505 - 2⁴ = 1351165489 is a prime.

It is a Duffinian 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, 234155 + ... + 239855.

It is an arithmetic number, because the mean of its divisors is an integer number (102533364).

Almost surely, 2^1351165505 is an apocalyptic number.

It is an amenable number.

1351165505 is a deficient number, since it is larger than the sum of its proper divisors (289368319).

1351165505 is a wasteful number, since it uses less digits than its factorization.

1351165505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256.

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 1351165505 is about 36758.2032341082. The cubic root of 1351165505 is about 1105.5274141900.

The spelling of 1351165505 in words is "one billion, three hundred fifty-one million, one hundred sixty-five thousand, five hundred five".