1351015255 has 4 divisors (see below), whose sum is σ = 1621218312. Its totient is φ = 1080812200.

The previous prime is 1351015229. The next prime is 1351015297. The reversal of 1351015255 is 5525101531.

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

It is a de Polignac number, because none of the positive numbers 2^k-1351015255 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 3 ways as a sum of consecutive naturals, for example, 135101521 + ... + 135101530.

It is an arithmetic number, because the mean of its divisors is an integer number (405304578).

Almost surely, 2^1351015255 is an apocalyptic number.

1351015255 is a deficient number, since it is larger than the sum of its proper divisors (270203057).

1351015255 is an equidigital number, since it uses as much as digits as its factorization.

1351015255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270203056.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 1351015255 is about 36756.1594158040. The cubic root of 1351015255 is about 1105.4864343468.

Adding to 1351015255 its reverse (5525101531), we get a palindrome (6876116786).

The spelling of 1351015255 in words is "one billion, three hundred fifty-one million, fifteen thousand, two hundred fifty-five".