69201135128685 has 64 divisors (see below), whose sum is σ = 132050129928192. Its totient is φ = 30257268577536.

The previous prime is 69201135128681. The next prime is 69201135128761. The reversal of 69201135128685 is 58682153110296.

69201135128685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 69201135128685 - 2² = 69201135128681 is a prime.

It is a super-2 number, since 2×69201135128685² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69201135128681) 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 63 ways as a sum of consecutive naturals, for example, 33897787 + ... + 35881223.

It is an arithmetic number, because the mean of its divisors is an integer number (2063283280128).

Almost surely, 2^{69201135128685} is an apocalyptic number.

It is an amenable number.

69201135128685 is a deficient number, since it is larger than the sum of its proper divisors (62848994799507).

69201135128685 is a wasteful number, since it uses less digits than its factorization.

69201135128685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997922.

The product of its (nonzero) digits is 6220800, while the sum is 57.

The spelling of 69201135128685 in words is "sixty-nine trillion, two hundred one billion, one hundred thirty-five million, one hundred twenty-eight thousand, six hundred eighty-five".