1361428033576 has 16 divisors (see below), whose sum is σ = 2749037375700. Its totient is φ = 628351400064.

The previous prime is 1361428033549. The next prime is 1361428033601. The reversal of 1361428033576 is 6753308241631.

It can be written as a sum of positive squares in 2 ways, for example, as 1145691936900 + 215736096676 = 1070370^2 + 464474^2 .

It is a super-2 number, since 2×1361428033576² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6545326981 + ... + 6545327188.

Almost surely, 2^{1361428033576} is an apocalyptic number.

It is an amenable number.

1361428033576 is an abundant number, since it is smaller than the sum of its proper divisors (1387609342124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361428033576 is a wasteful number, since it uses less digits than its factorization.

1361428033576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13090654188 (or 13090654184 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 1361428033576 in words is "one trillion, three hundred sixty-one billion, four hundred twenty-eight million, thirty-three thousand, five hundred seventy-six".