988100611 has 4 divisors (see below), whose sum is σ = 988165224. Its totient is φ = 988036000.

The previous prime is 988100609. The next prime is 988100647. The reversal of 988100611 is 116001889.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 5-Lehmer number, since φ(988100611) divides (988100611-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 988100611 - 2¹ = 988100609 is a prime.

It is a deceptive number, since it divides R_988100610.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (988100011) 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, 4971 + ... + 44731.

It is an arithmetic number, because the mean of its divisors is an integer number (247041306).

Almost surely, 2^988100611 is an apocalyptic number.

988100611 is a deficient number, since it is larger than the sum of its proper divisors (64613).

988100611 is a wasteful number, since it uses less digits than its factorization.

988100611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64612.

The product of its (nonzero) digits is 3456, while the sum is 34.

The square root of 988100611 is about 31434.0676814185. The cubic root of 988100611 is about 996.0176993328.

The spelling of 988100611 in words is "nine hundred eighty-eight million, one hundred thousand, six hundred eleven".