105011005555551 has 8 divisors (see below), whose sum is σ = 142387804143360. Its totient is φ = 68820772002392.

The previous prime is 105011005555369. The next prime is 105011005555571. The reversal of 105011005555551 is 155555500110501.

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

It is a cyclic number.

It is not a de Polignac number, because 105011005555551 - 2¹⁵ = 105011005522783 is a prime.

It is a super-2 number, since 2×105011005555551² (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 (105011005555571) 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, 296641258455 + ... + 296641258808.

It is an arithmetic number, because the mean of its divisors is an integer number (17798475517920).

Almost surely, 2^{105011005555551} is an apocalyptic number.

105011005555551 is a deficient number, since it is larger than the sum of its proper divisors (37376798587809).

105011005555551 is an equidigital number, since it uses as much as digits as its factorization.

105011005555551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593282517325.

The product of its (nonzero) digits is 78125, while the sum is 39.

The spelling of 105011005555551 in words is "one hundred five trillion, eleven billion, five million, five hundred fifty-five thousand, five hundred fifty-one".