525135120011 has 8 divisors (see below), whose sum is σ = 542135998464. Its totient is φ = 508138056360.

The previous prime is 525135120001. The next prime is 525135120061. The reversal of 525135120011 is 110021531525.

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 525135120011 - 2¹⁸ = 525134857867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525135120001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672611 + ... + 1225836.

It is an arithmetic number, because the mean of its divisors is an integer number (67766999808).

Almost surely, 2^525135120011 is an apocalyptic number.

525135120011 is a deficient number, since it is larger than the sum of its proper divisors (17000878453).

525135120011 is a wasteful number, since it uses less digits than its factorization.

525135120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907401.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 525135120011 its reverse (110021531525), we get a palindrome (635156651536).

The spelling of 525135120011 in words is "five hundred twenty-five billion, one hundred thirty-five million, one hundred twenty thousand, eleven".