1422615561256 has 64 divisors (see below), whose sum is σ = 2816339904000. Its totient is φ = 671820972480.

The previous prime is 1422615561209. The next prime is 1422615561271. The reversal of 1422615561256 is 6521655162241.

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, 261940861 + ... + 261946291.

It is an arithmetic number, because the mean of its divisors is an integer number (44005311000).

Almost surely, 2^{1422615561256} is an apocalyptic number.

It is an amenable number.

1422615561256 is a deficient number, since it is larger than the sum of its proper divisors (1393724342744).

1422615561256 is a wasteful number, since it uses less digits than its factorization.

1422615561256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10382 (or 10378 counting only the distinct ones).

The product of its digits is 864000, while the sum is 46.

The spelling of 1422615561256 in words is "one trillion, four hundred twenty-two billion, six hundred fifteen million, five hundred sixty-one thousand, two hundred fifty-six".