1125717191424 has 1440 divisors, whose sum is σ = 4146400710144. Its totient is φ = 297085501440.

The previous prime is 1125717191419. The next prime is 1125717191471. The reversal of 1125717191424 is 4241917175211.

1125717191424 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 71 + 71 + 91 + 424 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1125717191424.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 13562857687 + ... + 13562857769.

Almost surely, 2^{1125717191424} is an apocalyptic number.

1125717191424 is a gapful number since it is divisible by the number (14) 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 1125717191424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2073200355072).

1125717191424 is an abundant number, since it is smaller than the sum of its proper divisors (3020683518720).

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

1125717191424 is an equidigital number, since it uses as much as digits as its factorization.

1125717191424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 232 counting only the distinct ones).

The product of its digits is 141120, while the sum is 45.

The spelling of 1125717191424 in words is "one trillion, one hundred twenty-five billion, seven hundred seventeen million, one hundred ninety-one thousand, four hundred twenty-four".