105512545054 has 24 divisors (see below), whose sum is σ = 184191898968. Its totient is φ = 45199208880.

The previous prime is 105512545051. The next prime is 105512545121. The reversal of 105512545054 is 450545215501.

It is a super-2 number, since 2×105512545054² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105512545051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24724 + ... + 460039.

It is an arithmetic number, because the mean of its divisors is an integer number (7674662457).

Almost surely, 2^105512545054 is an apocalyptic number.

105512545054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105512545054 is a deficient number, since it is larger than the sum of its proper divisors (78679353914).

105512545054 is a wasteful number, since it uses less digits than its factorization.

105512545054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487000 (or 486993 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 105512545054 in words is "one hundred five billion, five hundred twelve million, five hundred forty-five thousand, fifty-four".