10531568137 has 4 divisors (see below), whose sum is σ = 10561744900. Its totient is φ = 10501391376.

The previous prime is 10531568123. The next prime is 10531568171. The reversal of 10531568137 is 73186513501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73186513501 = 467 ⋅156716303.

It can be written as a sum of positive squares in 2 ways, for example, as 9718805056 + 812763081 = 98584^2 + 28509^2 .

It is a cyclic number.

It is not a de Polignac number, because 10531568137 - 2⁷ = 10531568009 is a prime.

It is a super-2 number, since 2×10531568137² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10531568137.

It is not an unprimeable number, because it can be changed into a prime (10531568107) 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 3 ways as a sum of consecutive naturals, for example, 15087858 + ... + 15088555.

It is an arithmetic number, because the mean of its divisors is an integer number (2640436225).

Almost surely, 2^10531568137 is an apocalyptic number.

It is an amenable number.

10531568137 is a deficient number, since it is larger than the sum of its proper divisors (30176763).

10531568137 is an equidigital number, since it uses as much as digits as its factorization.

10531568137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30176762.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 10531568137 in words is "ten billion, five hundred thirty-one million, five hundred sixty-eight thousand, one hundred thirty-seven".