1105905970538 has 8 divisors (see below), whose sum is σ = 1662118012260. Its totient is φ = 551866633120.

The previous prime is 1105905970537. The next prime is 1105905970541. The reversal of 1105905970538 is 8350795095011.

It can be written as a sum of positive squares in 2 ways, for example, as 1078903922209 + 27002048329 = 1038703^2 + 164323^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1105905970538.

It is not an unprimeable number, because it can be changed into a prime (1105905970537) 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, 543174803 + ... + 543176838.

Almost surely, 2^{1105905970538} is an apocalyptic number.

1105905970538 is a deficient number, since it is larger than the sum of its proper divisors (556212041722).

1105905970538 is a wasteful number, since it uses less digits than its factorization.

1105905970538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086352152.

The product of its (nonzero) digits is 1701000, while the sum is 53.

The spelling of 1105905970538 in words is "one trillion, one hundred five billion, nine hundred five million, nine hundred seventy thousand, five hundred thirty-eight".