909120910000 has 50 divisors (see below), whose sum is σ = 2201072659412. Its totient is φ = 363648360000.

The previous prime is 909120909973. The next prime is 909120910007. The reversal of 909120910000 is 19021909.

909120910000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (50).

It is not an unprimeable number, because it can be changed into a prime (909120910007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 45446046 + ... + 45466045.

Almost surely, 2^909120910000 is an apocalyptic number.

It is an amenable number.

909120910000 is an abundant number, since it is smaller than the sum of its proper divisors (1291951749412).

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

909120910000 is an equidigital number, since it uses as much as digits as its factorization.

909120910000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90912119 (or 90912098 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 31.

Adding to 909120910000 its reverse (19021909), we get a palindrome (909139931909).

The spelling of 909120910000 in words is "nine hundred nine billion, one hundred twenty million, nine hundred ten thousand".