10532515309 has 4 divisors (see below), whose sum is σ = 11086858240. Its totient is φ = 9978172380.

The previous prime is 10532515289. The next prime is 10532515313. The reversal of 10532515309 is 90351523501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90351523501 = 39461 ⋅2289641.

It is a cyclic number.

It is not a de Polignac number, because 10532515309 - 2⁷ = 10532515181 is a prime.

It is a super-2 number, since 2×10532515309² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10532515339) 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, 277171437 + ... + 277171474.

It is an arithmetic number, because the mean of its divisors is an integer number (2771714560).

Almost surely, 2^10532515309 is an apocalyptic number.

10532515309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10532515309 is a deficient number, since it is larger than the sum of its proper divisors (554342931).

10532515309 is an equidigital number, since it uses as much as digits as its factorization.

10532515309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554342930.

The product of its (nonzero) digits is 20250, while the sum is 34.

The spelling of 10532515309 in words is "ten billion, five hundred thirty-two million, five hundred fifteen thousand, three hundred nine".