1315224403555 has 8 divisors (see below), whose sum is σ = 1578304742544. Its totient is φ = 1052155884000.

The previous prime is 1315224403547. The next prime is 1315224403561. The reversal of 1315224403555 is 5553044225131.

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

It is not a de Polignac number, because 1315224403555 - 2³ = 1315224403547 is a prime.

It is a Duffinian 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, 2708176 + ... + 3156685.

It is an arithmetic number, because the mean of its divisors is an integer number (197288092818).

Almost surely, 2^{1315224403555} is an apocalyptic number.

1315224403555 is a deficient number, since it is larger than the sum of its proper divisors (263080338989).

1315224403555 is an equidigital number, since it uses as much as digits as its factorization.

1315224403555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5909717.

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 1315224403555 its reverse (5553044225131), we get a palindrome (6868268628686).

The spelling of 1315224403555 in words is "one trillion, three hundred fifteen billion, two hundred twenty-four million, four hundred three thousand, five hundred fifty-five".