10125813587 has 4 divisors (see below), whose sum is σ = 10128061800. Its totient is φ = 10123565376.

The previous prime is 10125813563. The next prime is 10125813613. The reversal of 10125813587 is 78531852101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78531852101 = 107 ⋅733942543.

It is a cyclic number.

It is not a de Polignac number, because 10125813587 - 2¹⁶ = 10125748051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10125813517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117337 + ... + 1126362.

It is an arithmetic number, because the mean of its divisors is an integer number (2532015450).

Almost surely, 2^10125813587 is an apocalyptic number.

10125813587 is a deficient number, since it is larger than the sum of its proper divisors (2248213).

10125813587 is an equidigital number, since it uses as much as digits as its factorization.

10125813587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248212.

The product of its (nonzero) digits is 67200, while the sum is 41.

The spelling of 10125813587 in words is "ten billion, one hundred twenty-five million, eight hundred thirteen thousand, five hundred eighty-seven".