412156185541 has 2 divisors, whose sum is σ = 412156185542. Its totient is φ = 412156185540.

The previous prime is 412156185499. The next prime is 412156185547. The reversal of 412156185541 is 145581651214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370967483041 + 41188702500 = 609071^2 + 202950^2 .

It is a cyclic number.

It is not a de Polignac number, because 412156185541 - 2¹¹ = 412156183493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412156185547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206078092770 + 206078092771.

It is an arithmetic number, because the mean of its divisors is an integer number (206078092771).

Almost surely, 2^412156185541 is an apocalyptic number.

It is an amenable number.

412156185541 is a deficient number, since it is larger than the sum of its proper divisors (1).

412156185541 is an equidigital number, since it uses as much as digits as its factorization.

412156185541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192000, while the sum is 43.

The spelling of 412156185541 in words is "four hundred twelve billion, one hundred fifty-six million, one hundred eighty-five thousand, five hundred forty-one".