10989005553900 has 144 divisors (see below), whose sum is σ = 38539219582080. Its totient is φ = 2664001339200.

The previous prime is 10989005553863. The next prime is 10989005553917. The reversal of 10989005553900 is 935550098901.

It is a happy number.

10989005553900 is a `hidden beast` number, since 1 + 0 + 9 + 89 + 0 + 0 + 5 + 553 + 9 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184970394 + ... + 185029793.

It is an arithmetic number, because the mean of its divisors is an integer number (267633469320).

Almost surely, 2^{10989005553900} is an apocalyptic number.

10989005553900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10989005553900 is an abundant number, since it is smaller than the sum of its proper divisors (27550214028180).

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

10989005553900 is a wasteful number, since it uses less digits than its factorization.

10989005553900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370000221 (or 370000208 counting only the distinct ones).

The product of its (nonzero) digits is 2187000, while the sum is 54.

The spelling of 10989005553900 in words is "ten trillion, nine hundred eighty-nine billion, five million, five hundred fifty-three thousand, nine hundred".