1943115455552 has 14 divisors (see below), whose sum is σ = 3855869732238. Its totient is φ = 971557727744.

The previous prime is 1943115455543. The next prime is 1943115455573. The reversal of 1943115455552 is 2555545113491.

It can be written as a sum of positive squares in only one way, i.e., 1164033841216 + 779081614336 = 1078904^2 + 882656^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1943115455552.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15180589433 + ... + 15180589560.

Almost surely, 2^{1943115455552} is an apocalyptic number.

It is an amenable number.

1943115455552 is a deficient number, since it is larger than the sum of its proper divisors (1912754276686).

1943115455552 is an equidigital number, since it uses as much as digits as its factorization.

1943115455552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30361179005 (or 30361178995 counting only the distinct ones).

The product of its digits is 2700000, while the sum is 50.

The spelling of 1943115455552 in words is "one trillion, nine hundred forty-three billion, one hundred fifteen million, four hundred fifty-five thousand, five hundred fifty-two".