1315201553344 has 56 divisors (see below), whose sum is σ = 3038966447328. Its totient is φ = 553022745600.

The previous prime is 1315201553333. The next prime is 1315201553389. The reversal of 1315201553344 is 4433551025131.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27671707 + ... + 27719194.

It is an arithmetic number, because the mean of its divisors is an integer number (54267257988).

Almost surely, 2^{1315201553344} is an apocalyptic number.

1315201553344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1315201553344 is an abundant number, since it is smaller than the sum of its proper divisors (1723764893984).

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

1315201553344 is an equidigital number, since it uses as much as digits as its factorization.

1315201553344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55390973 (or 55390963 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 1315201553344 its reverse (4433551025131), we get a palindrome (5748752578475).

The spelling of 1315201553344 in words is "one trillion, three hundred fifteen billion, two hundred one million, five hundred fifty-three thousand, three hundred forty-four".