1853275453556 has 24 divisors (see below), whose sum is σ = 3246211624320. Its totient is φ = 925786813952.

The previous prime is 1853275453543. The next prime is 1853275453621. The reversal of 1853275453556 is 6553545723581.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1853275453495 and 1853275453504.

It is a congruent number.

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, 19558100 + ... + 19652628.

It is an arithmetic number, because the mean of its divisors is an integer number (135258817680).

Almost surely, 2^{1853275453556} is an apocalyptic number.

It is an amenable number.

1853275453556 is a deficient number, since it is larger than the sum of its proper divisors (1392936170764).

1853275453556 is a wasteful number, since it uses less digits than its factorization.

1853275453556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98983 (or 98981 counting only the distinct ones).

The product of its digits is 75600000, while the sum is 59.

The spelling of 1853275453556 in words is "one trillion, eight hundred fifty-three billion, two hundred seventy-five million, four hundred fifty-three thousand, five hundred fifty-six".