10897971800 has 48 divisors (see below), whose sum is σ = 25443033000. Its totient is φ = 4341081600.

The previous prime is 10897971793. The next prime is 10897971817. The reversal of 10897971800 is 817979801.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64850 + ... + 161249.

Almost surely, 2^10897971800 is an apocalyptic number.

10897971800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10897971800 is an abundant number, since it is smaller than the sum of its proper divisors (14545061200).

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

10897971800 is a wasteful number, since it uses less digits than its factorization.

10897971800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226356 (or 226347 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 50.

The spelling of 10897971800 in words is "ten billion, eight hundred ninety-seven million, nine hundred seventy-one thousand, eight hundred".