10531502011 has 4 divisors (see below), whose sum is σ = 10532412400. Its totient is φ = 10530591624.

The previous prime is 10531501973. The next prime is 10531502021. The reversal of 10531502011 is 11020513501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11020513501 = 53 ⋅207934217.

It is a cyclic number.

It is not a de Polignac number, because 10531502011 - 2⁹ = 10531501499 is a prime.

It is a super-2 number, since 2×10531502011² (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 10531502011.

It is not an unprimeable number, because it can be changed into a prime (10531502021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437616 + ... + 461053.

It is an arithmetic number, because the mean of its divisors is an integer number (2633103100).

Almost surely, 2^10531502011 is an apocalyptic number.

10531502011 is a deficient number, since it is larger than the sum of its proper divisors (910389).

10531502011 is an equidigital number, since it uses as much as digits as its factorization.

10531502011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910388.

The product of its (nonzero) digits is 150, while the sum is 19.

The spelling of 10531502011 in words is "ten billion, five hundred thirty-one million, five hundred two thousand, eleven".