411020131987 has 2 divisors, whose sum is σ = 411020131988. Its totient is φ = 411020131986.

The previous prime is 411020131981. The next prime is 411020132099. The reversal of 411020131987 is 789131020114.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 411020131987 - 2²³ = 411011743379 is a prime.

It is a super-2 number, since 2×411020131987² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (411020131981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205510065993 + 205510065994.

It is an arithmetic number, because the mean of its divisors is an integer number (205510065994).

Almost surely, 2^411020131987 is an apocalyptic number.

411020131987 is a deficient number, since it is larger than the sum of its proper divisors (1).

411020131987 is an equidigital number, since it uses as much as digits as its factorization.

411020131987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 411020131987 in words is "four hundred eleven billion, twenty million, one hundred thirty-one thousand, nine hundred eighty-seven".