1316220003525 has 144 divisors (see below), whose sum is σ = 2650159378944. Its totient is φ = 573653646720.

The previous prime is 1316220003463. The next prime is 1316220003577. The reversal of 1316220003525 is 5253000226131.

It is not a de Polignac number, because 1316220003525 - 2²⁴ = 1316203226309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1316220003492 and 1316220003501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 25923814 + ... + 25974536.

It is an arithmetic number, because the mean of its divisors is an integer number (18403884576).

Almost surely, 2^{1316220003525} is an apocalyptic number.

1316220003525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1316220003525 is an abundant number, since it is smaller than the sum of its proper divisors (1333939375419).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1316220003525 is a wasteful number, since it uses less digits than its factorization.

1316220003525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51080 (or 51068 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 1316220003525 its reverse (5253000226131), we get a palindrome (6569220229656).

The spelling of 1316220003525 in words is "one trillion, three hundred sixteen billion, two hundred twenty million, three thousand, five hundred twenty-five".