1315451020005 has 48 divisors (see below), whose sum is σ = 2448242993664. Its totient is φ = 651004730880.

The previous prime is 1315451020003. The next prime is 1315451020019. The reversal of 1315451020005 is 5000201545131.

1315451020005 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 451 + 0 + 200 + 0 + 5 = 666.

It is not a de Polignac number, because 1315451020005 - 2¹ = 1315451020003 is a prime.

It is a super-2 number, since 2×1315451020005² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315451020003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12055149 + ... + 12163778.

It is an arithmetic number, because the mean of its divisors is an integer number (51005062368).

Almost surely, 2^{1315451020005} is an apocalyptic number.

1315451020005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1315451020005 is a deficient number, since it is larger than the sum of its proper divisors (1132791973659).

1315451020005 is a wasteful number, since it uses less digits than its factorization.

1315451020005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24219026 (or 24219023 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 1315451020005 its reverse (5000201545131), we get a palindrome (6315652565136).

The spelling of 1315451020005 in words is "one trillion, three hundred fifteen billion, four hundred fifty-one million, twenty thousand, five".