10505537851 has 8 divisors (see below), whose sum is σ = 10615626560. Its totient is φ = 10395942408.

The previous prime is 10505537843. The next prime is 10505537857. The reversal of 10505537851 is 15873550501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10505537851 - 2³ = 10505537843 is a prime.

It is a super-2 number, since 2×10505537851² (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 (10505537857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80421 + ... + 165766.

It is an arithmetic number, because the mean of its divisors is an integer number (1326953320).

Almost surely, 2^10505537851 is an apocalyptic number.

10505537851 is a deficient number, since it is larger than the sum of its proper divisors (110088709).

10505537851 is a wasteful number, since it uses less digits than its factorization.

10505537851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246633.

The product of its (nonzero) digits is 105000, while the sum is 40.

The spelling of 10505537851 in words is "ten billion, five hundred five million, five hundred thirty-seven thousand, eight hundred fifty-one".