105415042522 has 8 divisors (see below), whose sum is σ = 158148499572. Its totient is φ = 52698876000.

The previous prime is 105415042519. The next prime is 105415042529. The reversal of 105415042522 is 225240514501.

It can be written as a sum of positive squares in 2 ways, for example, as 90570300601 + 14844741921 = 300949^2 + 121839^2 .

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

It is a super-2 number, since 2×105415042522² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105415042529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4307379 + ... + 4331782.

Almost surely, 2^105415042522 is an apocalyptic number.

105415042522 is a deficient number, since it is larger than the sum of its proper divisors (52733457050).

105415042522 is an equidigital number, since it uses as much as digits as its factorization.

105415042522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8645264.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 105415042522 in words is "one hundred five billion, four hundred fifteen million, forty-two thousand, five hundred twenty-two".