411631587081 has 24 divisors (see below), whose sum is σ = 698526331776. Its totient is φ = 230283404640.

The previous prime is 411631587061. The next prime is 411631587089. The reversal of 411631587081 is 180785136114.

411631587081 is a `hidden beast` number, since 4 + 1 + 1 + 63 + 1 + 587 + 0 + 8 + 1 = 666.

It is not a de Polignac number, because 411631587081 - 2²⁵ = 411598032649 is a prime.

It is a super-2 number, since 2×411631587081² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (411631587089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159917745 + ... + 159920318.

It is an arithmetic number, because the mean of its divisors is an integer number (29105263824).

Almost surely, 2^411631587081 is an apocalyptic number.

It is an amenable number.

411631587081 is a deficient number, since it is larger than the sum of its proper divisors (286894744695).

411631587081 is a wasteful number, since it uses less digits than its factorization.

411631587081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319838093 (or 319838090 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 411631587081 in words is "four hundred eleven billion, six hundred thirty-one million, five hundred eighty-seven thousand, eighty-one".