105421241455 has 8 divisors (see below), whose sum is σ = 128393631792. Its totient is φ = 83078231808.

The previous prime is 105421241399. The next prime is 105421241461. The reversal of 105421241455 is 554142124501.

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 105421241455 - 2²³ = 105412852847 is a prime.

It is a super-2 number, since 2×105421241455² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105421241455.

It is a congruent number.

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, 157344802 + ... + 157345471.

It is an arithmetic number, because the mean of its divisors is an integer number (16049203974).

Almost surely, 2^105421241455 is an apocalyptic number.

105421241455 is a deficient number, since it is larger than the sum of its proper divisors (22972390337).

105421241455 is an equidigital number, since it uses as much as digits as its factorization.

105421241455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314690345.

The product of its (nonzero) digits is 32000, while the sum is 34.

Adding to 105421241455 its reverse (554142124501), we get a palindrome (659563365956).

The spelling of 105421241455 in words is "one hundred five billion, four hundred twenty-one million, two hundred forty-one thousand, four hundred fifty-five".