1356625641242 has 16 divisors (see below), whose sum is σ = 2055330715464. Its totient is φ = 671517000000.

The previous prime is 1356625641181. The next prime is 1356625641379. The reversal of 1356625641242 is 2421465266531.

It can be written as a sum of positive squares in 4 ways, for example, as 1111314447721 + 245311193521 = 1054189^2 + 495289^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322192 + ... + 2112212.

Almost surely, 2^{1356625641242} is an apocalyptic number.

1356625641242 is a deficient number, since it is larger than the sum of its proper divisors (698705074222).

1356625641242 is a wasteful number, since it uses less digits than its factorization.

1356625641242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798625.

The product of its digits is 2073600, while the sum is 47.

The spelling of 1356625641242 in words is "one trillion, three hundred fifty-six billion, six hundred twenty-five million, six hundred forty-one thousand, two hundred forty-two".