1315401053520 has 160 divisors (see below), whose sum is σ = 4318921285632. Its totient is φ = 330039648256.

The previous prime is 1315401053501. The next prime is 1315401053531. The reversal of 1315401053520 is 253501045131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13877809 + ... + 13972271.

Almost surely, 2^{1315401053520} is an apocalyptic number.

1315401053520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315401053520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2159460642816).

1315401053520 is an abundant number, since it is smaller than the sum of its proper divisors (3003520232112).

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

1315401053520 is a wasteful number, since it uses less digits than its factorization.

1315401053520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97909 (or 97903 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 1315401053520 its reverse (253501045131), we get a palindrome (1568902098651).

The spelling of 1315401053520 in words is "one trillion, three hundred fifteen billion, four hundred one million, fifty-three thousand, five hundred twenty".