105811132540774 has 8 divisors (see below), whose sum is σ = 160628948194680. Its totient is φ = 52268149809216.

The previous prime is 105811132540747. The next prime is 105811132540777. The reversal of 105811132540774 is 477045231118501.

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

It is a super-2 number, since 2×105811132540774² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105811132540777) 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, 318708230379 + ... + 318708230710.

It is an arithmetic number, because the mean of its divisors is an integer number (20078618524335).

Almost surely, 2^{105811132540774} is an apocalyptic number.

105811132540774 is a deficient number, since it is larger than the sum of its proper divisors (54817815653906).

105811132540774 is an equidigital number, since it uses as much as digits as its factorization.

105811132540774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637416461174.

The product of its (nonzero) digits is 940800, while the sum is 49.

The spelling of 105811132540774 in words is "one hundred five trillion, eight hundred eleven billion, one hundred thirty-two million, five hundred forty thousand, seven hundred seventy-four".