87010010111 has 4 divisors (see below), whose sum is σ = 87011397432. Its totient is φ = 87008622792.

The previous prime is 87010010083. The next prime is 87010010119. The reversal of 87010010111 is 11101001078.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87010010111 - 2¹⁰ = 87010009087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87010010119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594896 + ... + 726581.

It is an arithmetic number, because the mean of its divisors is an integer number (21752849358).

Almost surely, 2^87010010111 is an apocalyptic number.

87010010111 is a deficient number, since it is larger than the sum of its proper divisors (1387321).

87010010111 is a wasteful number, since it uses less digits than its factorization.

87010010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387320.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 87010010111 its reverse (11101001078), we get a palindrome (98111011189).

The spelling of 87010010111 in words is "eighty-seven billion, ten million, ten thousand, one hundred eleven".