105534431574 has 32 divisors (see below), whose sum is σ = 247969016064. Its totient is φ = 29520120480.

The previous prime is 105534431551. The next prime is 105534431591. The reversal of 105534431574 is 475134435501.

It is a happy number.

It is a super-2 number, since 2×105534431574² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61499394 + ... + 61501109.

It is an arithmetic number, because the mean of its divisors is an integer number (7749031752).

Almost surely, 2^105534431574 is an apocalyptic number.

105534431574 is an abundant number, since it is smaller than the sum of its proper divisors (142434584490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105534431574 is a wasteful number, since it uses less digits than its factorization.

105534431574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123000532.

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 105534431574 in words is "one hundred five billion, five hundred thirty-four million, four hundred thirty-one thousand, five hundred seventy-four".