1351502274505 has 4 divisors (see below), whose sum is σ = 1621802729412. Its totient is φ = 1081201819600.

The previous prime is 1351502274487. The next prime is 1351502274571. The reversal of 1351502274505 is 5054722051531.

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

It can be written as a sum of positive squares in 2 ways, for example, as 262501497801 + 1089000776704 = 512349^2 + 1043552^2 .

It is not a de Polignac number, because 1351502274505 - 2¹¹ = 1351502272457 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 135150227446 + ... + 135150227455.

It is an arithmetic number, because the mean of its divisors is an integer number (405450682353).

Almost surely, 2^{1351502274505} is an apocalyptic number.

It is an amenable number.

1351502274505 is a deficient number, since it is larger than the sum of its proper divisors (270300454907).

1351502274505 is an equidigital number, since it uses as much as digits as its factorization.

1351502274505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270300454906.

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 1351502274505 in words is "one trillion, three hundred fifty-one billion, five hundred two million, two hundred seventy-four thousand, five hundred five".