1301023505215 has 16 divisors (see below), whose sum is σ = 1827779365440. Its totient is φ = 870371124480.

The previous prime is 1301023505207. The next prime is 1301023505237. The reversal of 1301023505215 is 5125053201031.

It is not a de Polignac number, because 1301023505215 - 2³ = 1301023505207 is a prime.

It is a super-2 number, since 2×1301023505215² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453316860 + ... + 453319729.

It is an arithmetic number, because the mean of its divisors is an integer number (114236210340).

Almost surely, 2^{1301023505215} is an apocalyptic number.

1301023505215 is a deficient number, since it is larger than the sum of its proper divisors (526755860225).

1301023505215 is an equidigital number, since it uses as much as digits as its factorization.

1301023505215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906636642.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 1301023505215 its reverse (5125053201031), we get a palindrome (6426076706246).

The spelling of 1301023505215 in words is "one trillion, three hundred one billion, twenty-three million, five hundred five thousand, two hundred fifteen".