1587216384031 has 2 divisors, whose sum is σ = 1587216384032. Its totient is φ = 1587216384030.

The previous prime is 1587216383983. The next prime is 1587216384097. The reversal of 1587216384031 is 1304836127851.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1587216384031 is a prime.

It is a super-2 number, since 2×1587216384031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1587216384631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 793608192015 + 793608192016.

It is an arithmetic number, because the mean of its divisors is an integer number (793608192016).

Almost surely, 2^{1587216384031} is an apocalyptic number.

1587216384031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1587216384031 is an equidigital number, since it uses as much as digits as its factorization.

1587216384031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 1587216384031 in words is "one trillion, five hundred eighty-seven billion, two hundred sixteen million, three hundred eighty-four thousand, thirty-one".