11455147000 has 128 divisors (see below), whose sum is σ = 29328998400. Its totient is φ = 4153104000.

The previous prime is 11455146991. The next prime is 11455147021. The reversal of 11455147000 is 74155411.

It is a self number, because there is not a number n which added to its sum of digits gives 11455147000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4211641 + ... + 4214359.

It is an arithmetic number, because the mean of its divisors is an integer number (229132800).

Almost surely, 2^11455147000 is an apocalyptic number.

11455147000 is a gapful number since it is divisible by the number (10) 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 11455147000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14664499200).

11455147000 is an abundant number, since it is smaller than the sum of its proper divisors (17873851400).

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

11455147000 is a wasteful number, since it uses less digits than its factorization.

11455147000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134 (or 3120 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The spelling of 11455147000 in words is "eleven billion, four hundred fifty-five million, one hundred forty-seven thousand".