1587150013281 has 16 divisors (see below), whose sum is σ = 2419721816064. Its totient is φ = 906490048464.

The previous prime is 1587150013259. The next prime is 1587150013289. The reversal of 1587150013281 is 1823100517851.

It is not a de Polignac number, because 1587150013281 - 2⁵ = 1587150013249 is a prime.

It is a super-2 number, since 2×1587150013281² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1587150013289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18824281 + ... + 18908406.

It is an arithmetic number, because the mean of its divisors is an integer number (151232613504).

Almost surely, 2^{1587150013281} is an apocalyptic number.

It is an amenable number.

1587150013281 is a deficient number, since it is larger than the sum of its proper divisors (832571802783).

1587150013281 is a wasteful number, since it uses less digits than its factorization.

1587150013281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37734700.

The product of its (nonzero) digits is 67200, while the sum is 42.

The spelling of 1587150013281 in words is "one trillion, five hundred eighty-seven billion, one hundred fifty million, thirteen thousand, two hundred eighty-one".