1303215511053 has 16 divisors (see below), whose sum is σ = 1762349861376. Its totient is φ = 856449301680.

The previous prime is 1303215511051. The next prime is 1303215511097. The reversal of 1303215511053 is 3501155123031.

It is not a de Polignac number, because 1303215511053 - 2¹ = 1303215511051 is a prime.

It is a super-3 number, since 3×1303215511053³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1303215511053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303215511051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039350 + ... + 1920072.

It is an arithmetic number, because the mean of its divisors is an integer number (110146866336).

Almost surely, 2^{1303215511053} is an apocalyptic number.

It is an amenable number.

1303215511053 is a deficient number, since it is larger than the sum of its proper divisors (459134350323).

1303215511053 is an equidigital number, since it uses as much as digits as its factorization.

1303215511053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887744.

The product of its (nonzero) digits is 6750, while the sum is 30.

The spelling of 1303215511053 in words is "one trillion, three hundred three billion, two hundred fifteen million, five hundred eleven thousand, fifty-three".