1171247472000 has 512 divisors, whose sum is σ = 4327656652800. Its totient is φ = 311351040000.

The previous prime is 1171247471963. The next prime is 1171247472047. The reversal of 1171247472000 is 2747421711.

It is a happy number.

1171247472000 is a `hidden beast` number, since 1 + 171 + 247 + 47 + 200 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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, 142987905 + ... + 142996095.

It is an arithmetic number, because the mean of its divisors is an integer number (8452454400).

Almost surely, 2^{1171247472000} is an apocalyptic number.

1171247472000 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 1171247472000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2163828326400).

1171247472000 is an abundant number, since it is smaller than the sum of its proper divisors (3156409180800).

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

1171247472000 is an equidigital number, since it uses as much as digits as its factorization.

1171247472000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8560 (or 8532 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The spelling of 1171247472000 in words is "one trillion, one hundred seventy-one billion, two hundred forty-seven million, four hundred seventy-two thousand".