7455455385665 has 16 divisors (see below), whose sum is σ = 10224793955712. Its totient is φ = 5112227551104.

The previous prime is 7455455385643. The next prime is 7455455385757. The reversal of 7455455385665 is 5665835545547.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7455455385665 - 2¹⁶ = 7455455320129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7455455385595 and 7455455385604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415442 + ... + 3883748.

It is an arithmetic number, because the mean of its divisors is an integer number (639049622232).

Almost surely, 2^{7455455385665} is an apocalyptic number.

It is an amenable number.

7455455385665 is a deficient number, since it is larger than the sum of its proper divisors (2769338570047).

7455455385665 is a wasteful number, since it uses less digits than its factorization.

7455455385665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529736.

The product of its digits is 1512000000, while the sum is 68.

The spelling of 7455455385665 in words is "seven trillion, four hundred fifty-five billion, four hundred fifty-five million, three hundred eighty-five thousand, six hundred sixty-five".