899061120000 has 1540 divisors, whose sum is σ = 3522731690016. Its totient is φ = 228925440000.

The previous prime is 899061119981. The next prime is 899061120049. The reversal of 899061120000 is 21160998.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 139 ways as a sum of consecutive naturals, for example, 19128959977 + ... + 19128960023.

Almost surely, 2^899061120000 is an apocalyptic number.

899061120000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899061120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1761365845008).

899061120000 is an abundant number, since it is smaller than the sum of its proper divisors (2623670570016).

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

899061120000 is an frugal number, since it uses more digits than its factorization.

899061120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

Adding to 899061120000 its reverse (21160998), we get a palindrome (899082280998).

The spelling of 899061120000 in words is "eight hundred ninety-nine billion, sixty-one million, one hundred twenty thousand".