1252625426642 has 64 divisors (see below), whose sum is σ = 2013672960000. Its totient is φ = 582351025152.

The previous prime is 1252625426623. The next prime is 1252625426651. The reversal of 1252625426642 is 2466245262521.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 943952183 + ... + 943953509.

It is an arithmetic number, because the mean of its divisors is an integer number (31463640000).

Almost surely, 2^{1252625426642} is an apocalyptic number.

1252625426642 is a deficient number, since it is larger than the sum of its proper divisors (761047533358).

1252625426642 is a wasteful number, since it uses less digits than its factorization.

1252625426642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363.

The product of its digits is 2764800, while the sum is 47.

The spelling of 1252625426642 in words is "one trillion, two hundred fifty-two billion, six hundred twenty-five million, four hundred twenty-six thousand, six hundred forty-two".