861102552 has 32 divisors (see below), whose sum is σ = 2158876080. Its totient is φ = 286218240.

The previous prime is 861102533. The next prime is 861102569. The reversal of 861102552 is 255201168.

861102552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 42349 + ... + 59292.

Almost surely, 2^861102552 is an apocalyptic number.

It is an amenable number.

861102552 is an abundant number, since it is smaller than the sum of its proper divisors (1297773528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

861102552 is a wasteful number, since it uses less digits than its factorization.

861102552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102003 (or 101999 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 861102552 is about 29344.5489316159. The cubic root of 861102552 is about 951.3747601110.

The spelling of 861102552 in words is "eight hundred sixty-one million, one hundred two thousand, five hundred fifty-two".