1425512539872 has 384 divisors, whose sum is σ = 4439322961920. Its totient is φ = 443478343680.

The previous prime is 1425512539859. The next prime is 1425512539879. The reversal of 1425512539872 is 2789352155241.

1425512539872 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 512 + 53 + 9 + 8 + 72 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425512539879) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1001764953 + ... + 1001766375.

It is an arithmetic number, because the mean of its divisors is an integer number (11560736880).

Almost surely, 2^{1425512539872} is an apocalyptic number.

1425512539872 is a gapful number since it is divisible by the number (12) 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 1425512539872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2219661480960).

1425512539872 is an abundant number, since it is smaller than the sum of its proper divisors (3013810422048).

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

1425512539872 is a wasteful number, since it uses less digits than its factorization.

1425512539872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983 (or 1969 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The spelling of 1425512539872 in words is "one trillion, four hundred twenty-five billion, five hundred twelve million, five hundred thirty-nine thousand, eight hundred seventy-two".