10511641523 has 4 divisors (see below), whose sum is σ = 10512985560. Its totient is φ = 10510297488.

The previous prime is 10511641507. The next prime is 10511641549. The reversal of 10511641523 is 32514611501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10511641523 - 2⁴ = 10511641507 is a prime.

It is a super-2 number, since 2×10511641523² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10511641423) 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, 660218 + ... + 675951.

It is an arithmetic number, because the mean of its divisors is an integer number (2628246390).

Almost surely, 2^10511641523 is an apocalyptic number.

10511641523 is a deficient number, since it is larger than the sum of its proper divisors (1344037).

10511641523 is an equidigital number, since it uses as much as digits as its factorization.

10511641523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344036.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 10511641523 in words is "ten billion, five hundred eleven million, six hundred forty-one thousand, five hundred twenty-three".