1425455121500 has 48 divisors (see below), whose sum is σ = 3121540758336. Its totient is φ = 568653336000.

The previous prime is 1425455121439. The next prime is 1425455121527. The reversal of 1425455121500 is 51215545241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3635096 + ... + 4008095.

It is an arithmetic number, because the mean of its divisors is an integer number (65032099132).

Almost surely, 2^{1425455121500} is an apocalyptic number.

1425455121500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425455121500 is an abundant number, since it is smaller than the sum of its proper divisors (1696085636836).

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

1425455121500 is a wasteful number, since it uses less digits than its factorization.

1425455121500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7643583 (or 7643571 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

The spelling of 1425455121500 in words is "one trillion, four hundred twenty-five billion, four hundred fifty-five million, one hundred twenty-one thousand, five hundred".