1125725640480 has 384 divisors, whose sum is σ = 4739899852800. Its totient is φ = 243766029312.

The previous prime is 1125725640407. The next prime is 1125725640527. The reversal of 1125725640480 is 840465275211.

1125725640480 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 7 + 2 + 564 + 0 + 4 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 405082 + ... + 1554201.

It is an arithmetic number, because the mean of its divisors is an integer number (12343489200).

Almost surely, 2^{1125725640480} is an apocalyptic number.

1125725640480 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 1125725640480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2369949926400).

1125725640480 is an abundant number, since it is smaller than the sum of its proper divisors (3614174212320).

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

1125725640480 is a wasteful number, since it uses less digits than its factorization.

1125725640480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959333 (or 1959319 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 1125725640480 in words is "one trillion, one hundred twenty-five billion, seven hundred twenty-five million, six hundred forty thousand, four hundred eighty".