65523690353131 has 8 divisors (see below), whose sum is σ = 65629943217104. Its totient is φ = 65417450999040.

The previous prime is 65523690353119. The next prime is 65523690353161. The reversal of 65523690353131 is 13135309632556.

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 65523690353131 - 2³⁷ = 65386251399659 is a prime.

It is a super-2 number, since 2×65523690353131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65523690353161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6353215 + ... + 13092391.

It is an arithmetic number, because the mean of its divisors is an integer number (8203742902138).

Almost surely, 2^{65523690353131} is an apocalyptic number.

65523690353131 is a deficient number, since it is larger than the sum of its proper divisors (106252863973).

65523690353131 is a wasteful number, since it uses less digits than its factorization.

65523690353131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6754941.

The product of its (nonzero) digits is 6561000, while the sum is 52.

Adding to 65523690353131 its reverse (13135309632556), we get a palindrome (78658999985687).

The spelling of 65523690353131 in words is "sixty-five trillion, five hundred twenty-three billion, six hundred ninety million, three hundred fifty-three thousand, one hundred thirty-one".