10999245312 has 640 divisors, whose sum is σ = 38654668800. Its totient is φ = 3090493440.

The previous prime is 10999245307. The next prime is 10999245349. The reversal of 10999245312 is 21354299901.

10999245312 is a `hidden beast` number, since 1 + 0 + 9 + 99 + 24 + 531 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 234026473 + ... + 234026519.

It is an arithmetic number, because the mean of its divisors is an integer number (60397920).

Almost surely, 2^10999245312 is an apocalyptic number.

10999245312 is a gapful number since it is divisible by the number (12) 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 10999245312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19327334400).

10999245312 is an abundant number, since it is smaller than the sum of its proper divisors (27655423488).

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

10999245312 is an frugal number, since it uses more digits than its factorization.

10999245312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 10999245312 in words is "ten billion, nine hundred ninety-nine million, two hundred forty-five thousand, three hundred twelve".