1311045131541 has 8 divisors (see below), whose sum is σ = 1760819739264. Its totient is φ = 867650305760.

The previous prime is 1311045131503. The next prime is 1311045131551. The reversal of 1311045131541 is 1451315401131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311045131541 - 2²⁷ = 1310910913813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1311045131499 and 1311045131508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311045131551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594945005 + ... + 1594945826.

It is an arithmetic number, because the mean of its divisors is an integer number (220102467408).

Almost surely, 2^{1311045131541} is an apocalyptic number.

It is an amenable number.

1311045131541 is a deficient number, since it is larger than the sum of its proper divisors (449774607723).

1311045131541 is a wasteful number, since it uses less digits than its factorization.

1311045131541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189890971.

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 1311045131541 in words is "one trillion, three hundred eleven billion, forty-five million, one hundred thirty-one thousand, five hundred forty-one".