1315433620512 has 144 divisors (see below), whose sum is σ = 4295614770720. Its totient is φ = 377636428800.

The previous prime is 1315433620499. The next prime is 1315433620517. The reversal of 1315433620512 is 2150263345131.

1315433620512 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 433 + 6 + 205 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1315433620517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10866789 + ... + 10987172.

It is an arithmetic number, because the mean of its divisors is an integer number (29830658130).

Almost surely, 2^{1315433620512} is an apocalyptic number.

1315433620512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1315433620512 is an abundant number, since it is smaller than the sum of its proper divisors (2980181150208).

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

1315433620512 is a wasteful number, since it uses less digits than its factorization.

1315433620512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21854007 (or 21853996 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 1315433620512 its reverse (2150263345131), we get a palindrome (3465696965643).

The spelling of 1315433620512 in words is "one trillion, three hundred fifteen billion, four hundred thirty-three million, six hundred twenty thousand, five hundred twelve".