105241421544 has 64 divisors (see below), whose sum is σ = 311058403200. Its totient is φ = 29032114944.

The previous prime is 105241421543. The next prime is 105241421599. The reversal of 105241421544 is 445124142501.

It is a super-2 number, since 2×105241421544² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105241421543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10795767 + ... + 10805510.

It is an arithmetic number, because the mean of its divisors is an integer number (4860287550).

Almost surely, 2^105241421544 is an apocalyptic number.

105241421544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

105241421544 is an abundant number, since it is smaller than the sum of its proper divisors (205816981656).

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

105241421544 is a wasteful number, since it uses less digits than its factorization.

105241421544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21601322 (or 21601318 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The spelling of 105241421544 in words is "one hundred five billion, two hundred forty-one million, four hundred twenty-one thousand, five hundred forty-four".