105401103452521 has 8 divisors (see below), whose sum is σ = 105428943302400. Its totient is φ = 105373265062800.

The previous prime is 105401103452459. The next prime is 105401103452543. The reversal of 105401103452521 is 125254301104501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105401103452521 is a prime.

It is a super-2 number, since 2×105401103452521² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105401103452581) 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, 152421096 + ... + 153111046.

It is an arithmetic number, because the mean of its divisors is an integer number (13178617912800).

Almost surely, 2^{105401103452521} is an apocalyptic number.

It is an amenable number.

105401103452521 is a deficient number, since it is larger than the sum of its proper divisors (27839849879).

105401103452521 is an equidigital number, since it uses as much as digits as its factorization.

105401103452521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730079.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 105401103452521 in words is "one hundred five trillion, four hundred one billion, one hundred three million, four hundred fifty-two thousand, five hundred twenty-one".