1097552871 has 6 divisors (see below), whose sum is σ = 1585354160. Its totient is φ = 731701908.

The previous prime is 1097552857. The next prime is 1097552881. The reversal of 1097552871 is 1782557901.

1097552871 is a `hidden beast` number, since 1 + 0 + 97 + 552 + 8 + 7 + 1 = 666.

It is not a de Polignac number, because 1097552871 - 2⁹ = 1097552359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097552881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60975151 + ... + 60975168.

Almost surely, 2^1097552871 is an apocalyptic number.

1097552871 is a deficient number, since it is larger than the sum of its proper divisors (487801289).

1097552871 is a wasteful number, since it uses less digits than its factorization.

1097552871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121950325 (or 121950322 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 45.

The square root of 1097552871 is about 33129.3355049569. The cubic root of 1097552871 is about 1031.5140554011.

The spelling of 1097552871 in words is "one billion, ninety-seven million, five hundred fifty-two thousand, eight hundred seventy-one".