68215011 has 16 divisors (see below), whose sum is σ = 92102400. Its totient is φ = 44906400.

The previous prime is 68215009. The next prime is 68215039. The reversal of 68215011 is 11051286.

It is not a de Polignac number, because 68215011 - 2¹ = 68215009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68215061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96961 + ... + 97661.

It is an arithmetic number, because the mean of its divisors is an integer number (5756400).

Almost surely, 2^68215011 is an apocalyptic number.

68215011 is a deficient number, since it is larger than the sum of its proper divisors (23887389).

68215011 is a wasteful number, since it uses less digits than its factorization.

68215011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 68215011 is about 8259.2379188397. The cubic root of 68215011 is about 408.5952540137.

Adding to 68215011 its reverse (11051286), we get a palindrome (79266297).

The spelling of 68215011 in words is "sixty-eight million, two hundred fifteen thousand, eleven".