10897928532 has 18 divisors (see below), whose sum is σ = 27547541658. Its totient is φ = 3632642832.

The previous prime is 10897928513. The next prime is 10897928537. The reversal of 10897928532 is 23582979801.

10897928532 is a `hidden beast` number, since 1 + 0 + 89 + 7 + 9 + 28 + 532 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10785653316 + 112275216 = 103854^2 + 10596^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10897928537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151360083 + ... + 151360154.

It is an arithmetic number, because the mean of its divisors is an integer number (1530418981).

Almost surely, 2^10897928532 is an apocalyptic number.

10897928532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10897928532 is an abundant number, since it is smaller than the sum of its proper divisors (16649613126).

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

10897928532 is a wasteful number, since it uses less digits than its factorization.

10897928532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302720247 (or 302720242 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 10897928532 in words is "ten billion, eight hundred ninety-seven million, nine hundred twenty-eight thousand, five hundred thirty-two".