1172394952560 has 400 divisors, whose sum is σ = 4411125586560. Its totient is φ = 288586022400.

The previous prime is 1172394952549. The next prime is 1172394952577. The reversal of 1172394952560 is 652594932711.

1172394952560 is a `hidden beast` number, since 1 + 1 + 7 + 2 + 39 + 49 + 5 + 2 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1172394952497 and 1172394952506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14195385 + ... + 14277735.

Almost surely, 2^{1172394952560} is an apocalyptic number.

1172394952560 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 1172394952560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2205562793280).

1172394952560 is an abundant number, since it is smaller than the sum of its proper divisors (3238730634000).

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

1172394952560 is an equidigital number, since it uses as much as digits as its factorization.

1172394952560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82415 (or 82374 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 1172394952560 in words is "one trillion, one hundred seventy-two billion, three hundred ninety-four million, nine hundred fifty-two thousand, five hundred sixty".