1522087387671 has 16 divisors (see below), whose sum is σ = 2136490509440. Its totient is φ = 961215971040.

The previous prime is 1522087387669. The next prime is 1522087387693. The reversal of 1522087387671 is 1767837802251.

It is not a de Polignac number, because 1522087387671 - 2¹ = 1522087387669 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522087387571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 880225 + ... + 1954218.

It is an arithmetic number, because the mean of its divisors is an integer number (133530656840).

Almost surely, 2^{1522087387671} is an apocalyptic number.

1522087387671 is a deficient number, since it is larger than the sum of its proper divisors (614403121769).

1522087387671 is a wasteful number, since it uses less digits than its factorization.

1522087387671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843886.

The product of its (nonzero) digits is 7902720, while the sum is 57.

The spelling of 1522087387671 in words is "one trillion, five hundred twenty-two billion, eighty-seven million, three hundred eighty-seven thousand, six hundred seventy-one".