105543365451 has 8 divisors (see below), whose sum is σ = 142039669824. Its totient is φ = 69704652360.

The previous prime is 105543365413. The next prime is 105543365491. The reversal of 105543365451 is 154563345501.

It is a happy number.

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

It is not a de Polignac number, because 105543365451 - 2⁶ = 105543365387 is a prime.

It is a super-2 number, since 2×105543365451² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105543365491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164397445 + ... + 164398086.

It is an arithmetic number, because the mean of its divisors is an integer number (17754958728).

Almost surely, 2^105543365451 is an apocalyptic number.

105543365451 is a deficient number, since it is larger than the sum of its proper divisors (36496304373).

105543365451 is a wasteful number, since it uses less digits than its factorization.

105543365451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328795641.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 105543365451 in words is "one hundred five billion, five hundred forty-three million, three hundred sixty-five thousand, four hundred fifty-one".