105524159421 has 8 divisors (see below), whose sum is σ = 140708877120. Its totient is φ = 70344440672.

The previous prime is 105524159369. The next prime is 105524159441. The reversal of 105524159421 is 124951425501.

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 105524159421 - 2²³ = 105515770813 is a prime.

It is a super-2 number, since 2×105524159421² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105524159421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105524159441) 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, 1200201 + ... + 1285118.

It is an arithmetic number, because the mean of its divisors is an integer number (17588609640).

Almost surely, 2^105524159421 is an apocalyptic number.

It is an amenable number.

105524159421 is a deficient number, since it is larger than the sum of its proper divisors (35184717699).

105524159421 is a wasteful number, since it uses less digits than its factorization.

105524159421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499475.

The product of its (nonzero) digits is 72000, while the sum is 39.

The spelling of 105524159421 in words is "one hundred five billion, five hundred twenty-four million, one hundred fifty-nine thousand, four hundred twenty-one".