1123647525000 has 1536 divisors, whose sum is σ = 5241264537600. Its totient is φ = 215395200000.

The previous prime is 1123647524981. The next prime is 1123647525001. The reversal of 1123647525000 is 5257463211.

1123647525000 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 647 + 5 + 2 + 5 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1123647525001) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 675674169 + ... + 675675831.

It is an arithmetic number, because the mean of its divisors is an integer number (3412281600).

Almost surely, 2^{1123647525000} is an apocalyptic number.

1123647525000 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 1123647525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2620632268800).

1123647525000 is an abundant number, since it is smaller than the sum of its proper divisors (4117617012600).

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

1123647525000 is a wasteful number, since it uses less digits than its factorization.

1123647525000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 1123647525000 in words is "one trillion, one hundred twenty-three billion, six hundred forty-seven million, five hundred twenty-five thousand".