4131573545261 has 2 divisors, whose sum is σ = 4131573545262. Its totient is φ = 4131573545260.

The previous prime is 4131573545249. The next prime is 4131573545273. The reversal of 4131573545261 is 1625453751314.

It is a balanced prime because it is at equal distance from previous prime (4131573545249) and next prime (4131573545273).

It can be written as a sum of positive squares in only one way, i.e., 3991480541161 + 140093004100 = 1997869^2 + 374290^2 .

It is a cyclic number.

It is not a de Polignac number, because 4131573545261 - 2²² = 4131569350957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4131573545291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2065786772630 + 2065786772631.

It is an arithmetic number, because the mean of its divisors is an integer number (2065786772631).

Almost surely, 2^{4131573545261} is an apocalyptic number.

It is an amenable number.

4131573545261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4131573545261 is an equidigital number, since it uses as much as digits as its factorization.

4131573545261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 47.

The spelling of 4131573545261 in words is "four trillion, one hundred thirty-one billion, five hundred seventy-three million, five hundred forty-five thousand, two hundred sixty-one".