1355433805925 has 12 divisors (see below), whose sum is σ = 1699622617860. Its totient is φ = 1072163368320.

The previous prime is 1355433805907. The next prime is 1355433805939. The reversal of 1355433805925 is 5295083345531.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 199071238276 + 1156362567649 = 446174^2 + 1075343^2 .

It is not a de Polignac number, because 1355433805925 - 2²² = 1355429611621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304589642 + ... + 304594091.

It is an arithmetic number, because the mean of its divisors is an integer number (141635218155).

Almost surely, 2^{1355433805925} is an apocalyptic number.

It is an amenable number.

1355433805925 is a deficient number, since it is larger than the sum of its proper divisors (344188811935).

1355433805925 is an equidigital number, since it uses as much as digits as its factorization.

1355433805925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609183832 (or 609183827 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 53.

The spelling of 1355433805925 in words is "one trillion, three hundred fifty-five billion, four hundred thirty-three million, eight hundred five thousand, nine hundred twenty-five".