1301510011005 has 96 divisors (see below), whose sum is σ = 2382194880000. Its totient is φ = 655528857984.

The previous prime is 1301510010973. The next prime is 1301510011019. The reversal of 1301510011005 is 5001100151031.

It is not a de Polignac number, because 1301510011005 - 2⁵ = 1301510010973 is a prime.

It is a super-2 number, since 2×1301510011005² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 649779334 + ... + 649781336.

It is an arithmetic number, because the mean of its divisors is an integer number (24814530000).

Almost surely, 2^{1301510011005} is an apocalyptic number.

1301510011005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1301510011005 is a deficient number, since it is larger than the sum of its proper divisors (1080684868995).

1301510011005 is a wasteful number, since it uses less digits than its factorization.

1301510011005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055 (or 4052 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 18.

Adding to 1301510011005 its reverse (5001100151031), we get a palindrome (6302610162036).

The spelling of 1301510011005 in words is "one trillion, three hundred one billion, five hundred ten million, eleven thousand, five".