1315053551 has 16 divisors (see below), whose sum is σ = 1526773248. Its totient is φ = 1109354400.

The previous prime is 1315053539. The next prime is 1315053569. The reversal of 1315053551 is 1553505131.

It is a de Polignac number, because none of the positive numbers 2^k-1315053551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315053151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326516 + ... + 330518.

It is an arithmetic number, because the mean of its divisors is an integer number (95423328).

Almost surely, 2^1315053551 is an apocalyptic number.

1315053551 is a deficient number, since it is larger than the sum of its proper divisors (211719697).

1315053551 is an equidigital number, since it uses as much as digits as its factorization.

1315053551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742.

The product of its (nonzero) digits is 5625, while the sum is 29.

The square root of 1315053551 is about 36263.6670925597. The cubic root of 1315053551 is about 1095.5893773966.

Adding to 1315053551 its reverse (1553505131), we get a palindrome (2868558682).

The spelling of 1315053551 in words is "one billion, three hundred fifteen million, fifty-three thousand, five hundred fifty-one".