1361923601552 has 10 divisors (see below), whose sum is σ = 2638726978038. Its totient is φ = 680961800768.

The previous prime is 1361923601477. The next prime is 1361923601557. The reversal of 1361923601552 is 2551063291631.

It can be written as a sum of positive squares in only one way, i.e., 1212430018816 + 149493582736 = 1101104^2 + 386644^2 .

It is not an unprimeable number, because it can be changed into a prime (1361923601557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42560112533 + ... + 42560112564.

Almost surely, 2^{1361923601552} is an apocalyptic number.

It is an amenable number.

1361923601552 is a deficient number, since it is larger than the sum of its proper divisors (1276803376486).

1361923601552 is an equidigital number, since it uses as much as digits as its factorization.

1361923601552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85120225105 (or 85120225099 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 1361923601552 in words is "one trillion, three hundred sixty-one billion, nine hundred twenty-three million, six hundred one thousand, five hundred fifty-two".