982551155 has 4 divisors (see below), whose sum is σ = 1179061392. Its totient is φ = 786040920.

The previous prime is 982551151. The next prime is 982551187. The reversal of 982551155 is 551155289.

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

It is not a de Polignac number, because 982551155 - 2² = 982551151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (982551151) 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, 98255111 + ... + 98255120.

It is an arithmetic number, because the mean of its divisors is an integer number (294765348).

Almost surely, 2^982551155 is an apocalyptic number.

982551155 is a deficient number, since it is larger than the sum of its proper divisors (196510237).

982551155 is a wasteful number, since it uses less digits than its factorization.

982551155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196510236.

The product of its digits is 90000, while the sum is 41.

The square root of 982551155 is about 31345.6720298034. The cubic root of 982551155 is about 994.1495574038.

The spelling of 982551155 in words is "nine hundred eighty-two million, five hundred fifty-one thousand, one hundred fifty-five".