10105526381 has 4 divisors (see below), whose sum is σ = 10194955932. Its totient is φ = 10016096832.

The previous prime is 10105526369. The next prime is 10105526401. The reversal of 10105526381 is 18362550101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2386322500 + 7719203881 = 48850^2 + 87859^2 .

It is a cyclic number.

It is not a de Polignac number, because 10105526381 - 2²⁶ = 10038417517 is a prime.

It is a super-2 number, since 2×10105526381² (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 (10105526281) 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, 44714606 + ... + 44714831.

It is an arithmetic number, because the mean of its divisors is an integer number (2548738983).

Almost surely, 2^10105526381 is an apocalyptic number.

It is an amenable number.

10105526381 is a deficient number, since it is larger than the sum of its proper divisors (89429551).

10105526381 is an equidigital number, since it uses as much as digits as its factorization.

10105526381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89429550.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 10105526381 in words is "ten billion, one hundred five million, five hundred twenty-six thousand, three hundred eighty-one".