874661511541 has 2 divisors, whose sum is σ = 874661511542. Its totient is φ = 874661511540.

The previous prime is 874661511517. The next prime is 874661511551. The reversal of 874661511541 is 145115166478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 862212530916 + 12448980625 = 928554^2 + 111575^2 .

It is a cyclic number.

It is not a de Polignac number, because 874661511541 - 2²³ = 874653122933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874661511551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437330755770 + 437330755771.

It is an arithmetic number, because the mean of its divisors is an integer number (437330755771).

Almost surely, 2^874661511541 is an apocalyptic number.

It is an amenable number.

874661511541 is a deficient number, since it is larger than the sum of its proper divisors (1).

874661511541 is an equidigital number, since it uses as much as digits as its factorization.

874661511541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 49.

The spelling of 874661511541 in words is "eight hundred seventy-four billion, six hundred sixty-one million, five hundred eleven thousand, five hundred forty-one".