10902499985 has 8 divisors (see below), whose sum is σ = 14089384680. Its totient is φ = 8051076864.

The previous prime is 10902499981. The next prime is 10902499987. The reversal of 10902499985 is 58999420901.

10902499985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 711395584 + 10191104401 = 26672^2 + 100951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10902499985 - 2² = 10902499981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10902499985.

It is not an unprimeable number, because it can be changed into a prime (10902499981) 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 7 ways as a sum of consecutive naturals, for example, 83865320 + ... + 83865449.

It is an arithmetic number, because the mean of its divisors is an integer number (1761173085).

Almost surely, 2^10902499985 is an apocalyptic number.

It is an amenable number.

10902499985 is a deficient number, since it is larger than the sum of its proper divisors (3186884695).

10902499985 is a wasteful number, since it uses less digits than its factorization.

10902499985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167730787.

The product of its (nonzero) digits is 2099520, while the sum is 56.

The spelling of 10902499985 in words is "ten billion, nine hundred two million, four hundred ninety-nine thousand, nine hundred eighty-five".