105260821811 has 8 divisors (see below), whose sum is σ = 108676063104. Its totient is φ = 101846813760.

The previous prime is 105260821793. The next prime is 105260821829. The reversal of 105260821811 is 118128062501.

It is an interprime number because it is at equal distance from previous prime (105260821793) and next prime (105260821829).

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 105260821811 - 2³⁴ = 88080952627 is a prime.

It is a super-2 number, since 2×105260821811² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105260841811) 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, 133250 + ... + 477783.

It is an arithmetic number, because the mean of its divisors is an integer number (13584507888).

Almost surely, 2^105260821811 is an apocalyptic number.

105260821811 is a deficient number, since it is larger than the sum of its proper divisors (3415241293).

105260821811 is an equidigital number, since it uses as much as digits as its factorization.

105260821811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616621.

The product of its (nonzero) digits is 7680, while the sum is 35.

The spelling of 105260821811 in words is "one hundred five billion, two hundred sixty million, eight hundred twenty-one thousand, eight hundred eleven".