87011551105 has 8 divisors (see below), whose sum is σ = 104423201064. Its totient is φ = 69603014400.

The previous prime is 87011551093. The next prime is 87011551117. The reversal of 87011551105 is 50115511078.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87011551093) and next prime (87011551117).

It can be written as a sum of positive squares in 4 ways, for example, as 18573328656 + 68438222449 = 136284^2 + 261607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87011551105 - 2¹⁵ = 87011518337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716376 + ... + 828985.

It is an arithmetic number, because the mean of its divisors is an integer number (13052900133).

Almost surely, 2^87011551105 is an apocalyptic number.

It is an amenable number.

87011551105 is a deficient number, since it is larger than the sum of its proper divisors (17411649959).

87011551105 is a wasteful number, since it uses less digits than its factorization.

87011551105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556627.

The product of its (nonzero) digits is 7000, while the sum is 34.

The spelling of 87011551105 in words is "eighty-seven billion, eleven million, five hundred fifty-one thousand, one hundred five".