1311535025241 has 32 divisors (see below), whose sum is σ = 2085778790400. Its totient is φ = 716741270784.

The previous prime is 1311535025231. The next prime is 1311535025243. The reversal of 1311535025241 is 1425205351131.

It is not a de Polignac number, because 1311535025241 - 2⁹ = 1311535024729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311535025243) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2631585 + ... + 3090033.

It is an arithmetic number, because the mean of its divisors is an integer number (65180587200).

Almost surely, 2^{1311535025241} is an apocalyptic number.

It is an amenable number.

1311535025241 is a deficient number, since it is larger than the sum of its proper divisors (774243765159).

1311535025241 is a wasteful number, since it uses less digits than its factorization.

1311535025241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464405.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 1311535025241 in words is "one trillion, three hundred eleven billion, five hundred thirty-five million, twenty-five thousand, two hundred forty-one".