13521311003045 has 8 divisors (see below), whose sum is σ = 16621318891800. Its totient is φ = 10553218343680.

The previous prime is 13521311003027. The next prime is 13521311003063. The reversal of 13521311003045 is 54030011312531.

It is an interprime number because it is at equal distance from previous prime (13521311003027) and next prime (13521311003063).

It can be written as a sum of positive squares in 4 ways, for example, as 151801406689 + 13369509596356 = 389617^2 + 3656434^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13521311003045 - 2²² = 13521306808741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13521311002999 and 13521311003017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32978807120 + ... + 32978807529.

It is an arithmetic number, because the mean of its divisors is an integer number (2077664861475).

Almost surely, 2^{13521311003045} is an apocalyptic number.

It is an amenable number.

13521311003045 is a deficient number, since it is larger than the sum of its proper divisors (3100007888755).

13521311003045 is an equidigital number, since it uses as much as digits as its factorization.

13521311003045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65957614695.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 13521311003045 its reverse (54030011312531), we get a palindrome (67551322315576).

The spelling of 13521311003045 in words is "thirteen trillion, five hundred twenty-one billion, three hundred eleven million, three thousand, forty-five".