988785255811 has 8 divisors (see below), whose sum is σ = 989623401984. Its totient is φ = 987947355720.

The previous prime is 988785255779. The next prime is 988785255817. The reversal of 988785255811 is 118552587889.

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

It is a cyclic number.

It is not a de Polignac number, because 988785255811 - 2⁵ = 988785255779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (988785255817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8474676 + ... + 8590558.

It is an arithmetic number, because the mean of its divisors is an integer number (123702925248).

Almost surely, 2^988785255811 is an apocalyptic number.

988785255811 is a deficient number, since it is larger than the sum of its proper divisors (838146173).

988785255811 is a wasteful number, since it uses less digits than its factorization.

988785255811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123041.

The product of its digits is 64512000, while the sum is 67.

The spelling of 988785255811 in words is "nine hundred eighty-eight billion, seven hundred eighty-five million, two hundred fifty-five thousand, eight hundred eleven".