29265052505865 has 48 divisors (see below), whose sum is σ = 51473072067648. Its totient is φ = 14187661488000.

The previous prime is 29265052505861. The next prime is 29265052505903. The reversal of 29265052505865 is 56850525056292.

It is not a de Polignac number, because 29265052505865 - 2² = 29265052505861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29265052505799 and 29265052505808.

It is not an unprimeable number, because it can be changed into a prime (29265052505861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16985235 + ... + 18628695.

It is an arithmetic number, because the mean of its divisors is an integer number (1072355668076).

Almost surely, 2^{29265052505865} is an apocalyptic number.

It is an amenable number.

29265052505865 is a deficient number, since it is larger than the sum of its proper divisors (22208019561783).

29265052505865 is a wasteful number, since it uses less digits than its factorization.

29265052505865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653302 (or 1653291 counting only the distinct ones).

The product of its (nonzero) digits is 64800000, while the sum is 60.

The spelling of 29265052505865 in words is "twenty-nine trillion, two hundred sixty-five billion, fifty-two million, five hundred five thousand, eight hundred sixty-five".