1425531572872 has 64 divisors (see below), whose sum is σ = 2937797775360. Its totient is φ = 643111444800.

The previous prime is 1425531572827. The next prime is 1425531572891. The reversal of 1425531572872 is 2782751355241.

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, 6385813 + ... + 6605275.

It is an arithmetic number, because the mean of its divisors is an integer number (45903090240).

Almost surely, 2^{1425531572872} is an apocalyptic number.

It is an amenable number.

1425531572872 is an abundant number, since it is smaller than the sum of its proper divisors (1512266202488).

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

1425531572872 is a wasteful number, since it uses less digits than its factorization.

1425531572872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220034 (or 220030 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 52.

The spelling of 1425531572872 in words is "one trillion, four hundred twenty-five billion, five hundred thirty-one million, five hundred seventy-two thousand, eight hundred seventy-two".