10505560537 has 4 divisors (see below), whose sum is σ = 10662360016. Its totient is φ = 10348761060.

The previous prime is 10505560517. The next prime is 10505560543. The reversal of 10505560537 is 73506550501.

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: 73506550501 = 223 ⋅329625787.

It is a cyclic number.

It is not a de Polignac number, because 10505560537 - 2²³ = 10497171929 is a prime.

It is a super-2 number, since 2×10505560537² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10505560496 and 10505560505.

It is not an unprimeable number, because it can be changed into a prime (10505560517) 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, 78399639 + ... + 78399772.

It is an arithmetic number, because the mean of its divisors is an integer number (2665590004).

Almost surely, 2^10505560537 is an apocalyptic number.

It is an amenable number.

10505560537 is a deficient number, since it is larger than the sum of its proper divisors (156799479).

10505560537 is an equidigital number, since it uses as much as digits as its factorization.

10505560537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156799478.

The product of its (nonzero) digits is 78750, while the sum is 37.

The spelling of 10505560537 in words is "ten billion, five hundred five million, five hundred sixty thousand, five hundred thirty-seven".