1147622472000 has 448 divisors, whose sum is σ = 4313227726080. Its totient is φ = 298566144000.

The previous prime is 1147622471987. The next prime is 1147622472023. The reversal of 1147622472000 is 2742267411.

1147622472000 is a `hidden beast` number, since 1 + 1 + 4 + 7 + 622 + 4 + 7 + 20 + 0 + 0 = 666.

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 63 ways as a sum of consecutive naturals, for example, 8791207 + ... + 8920793.

It is an arithmetic number, because the mean of its divisors is an integer number (9627740460).

Almost surely, 2^{1147622472000} is an apocalyptic number.

1147622472000 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 1147622472000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2156613863040).

1147622472000 is an abundant number, since it is smaller than the sum of its proper divisors (3165605254080).

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

1147622472000 is a wasteful number, since it uses less digits than its factorization.

1147622472000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129664 (or 129638 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 1147622472000 in words is "one trillion, one hundred forty-seven billion, six hundred twenty-two million, four hundred seventy-two thousand".