7153685725465 has 16 divisors (see below), whose sum is σ = 8816525598672. Its totient is φ = 5568216632064.

The previous prime is 7153685725423. The next prime is 7153685725469. The reversal of 7153685725465 is 5645275863517.

It can be written as a sum of positive squares in 8 ways, for example, as 2226266916624 + 4927418808841 = 1492068^2 + 2219779^2 .

It is a cyclic number.

It is not a de Polignac number, because 7153685725465 - 2⁷ = 7153685725337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7153685725397 and 7153685725406.

It is not an unprimeable number, because it can be changed into a prime (7153685725469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29954107 + ... + 30191983.

It is an arithmetic number, because the mean of its divisors is an integer number (551032849917).

Almost surely, 2^{7153685725465} is an apocalyptic number.

It is an amenable number.

7153685725465 is a deficient number, since it is larger than the sum of its proper divisors (1662839873207).

7153685725465 is a wasteful number, since it uses less digits than its factorization.

7153685725465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400476.

The product of its digits is 211680000, while the sum is 64.

The spelling of 7153685725465 in words is "seven trillion, one hundred fifty-three billion, six hundred eighty-five million, seven hundred twenty-five thousand, four hundred sixty-five".