1301791265515 has 16 divisors (see below), whose sum is σ = 1781274565728. Its totient is φ = 904774381056.

The previous prime is 1301791265513. The next prime is 1301791265539. The reversal of 1301791265515 is 5155621971031.

It is not a de Polignac number, because 1301791265515 - 2¹ = 1301791265513 is a prime.

It is a super-2 number, since 2×1301791265515² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301791265513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589044717 + ... + 589046926.

It is an arithmetic number, because the mean of its divisors is an integer number (111329660358).

Almost surely, 2^{1301791265515} is an apocalyptic number.

1301791265515 is a deficient number, since it is larger than the sum of its proper divisors (479483300213).

1301791265515 is a wasteful number, since it uses less digits than its factorization.

1301791265515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178091678.

The product of its (nonzero) digits is 283500, while the sum is 46.

The spelling of 1301791265515 in words is "one trillion, three hundred one billion, seven hundred ninety-one million, two hundred sixty-five thousand, five hundred fifteen".