105231522540 has 24 divisors (see below), whose sum is σ = 294648263280. Its totient is φ = 28061739328.

The previous prime is 105231522509. The next prime is 105231522551. The reversal of 105231522540 is 45225132501.

It is a super-2 number, since 2×105231522540² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 105231522498 and 105231522507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876929295 + ... + 876929414.

It is an arithmetic number, because the mean of its divisors is an integer number (12277010970).

Almost surely, 2^105231522540 is an apocalyptic number.

105231522540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105231522540 is an abundant number, since it is smaller than the sum of its proper divisors (189416740740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105231522540 is a wasteful number, since it uses less digits than its factorization.

105231522540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753858721 (or 1753858719 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 105231522540 in words is "one hundred five billion, two hundred thirty-one million, five hundred twenty-two thousand, five hundred forty".