1315254320044 has 24 divisors (see below), whose sum is σ = 2631984067328. Its totient is φ = 563364259920.

The previous prime is 1315254320021. The next prime is 1315254320057. The reversal of 1315254320044 is 4400234525131.

It is a junction number, because it is equal to n+sod(n) for n = 1315254319991 and 1315254320009.

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, 13122642 + ... + 13222489.

Almost surely, 2^{1315254320044} is an apocalyptic number.

1315254320044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1315254320044 is an abundant number, since it is smaller than the sum of its proper divisors (1316729747284).

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

1315254320044 is a wasteful number, since it uses less digits than its factorization.

1315254320044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26346925 (or 26346923 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 1315254320044 its reverse (4400234525131), we get a palindrome (5715488845175).

The spelling of 1315254320044 in words is "one trillion, three hundred fifteen billion, two hundred fifty-four million, three hundred twenty thousand, forty-four".