105551105051 has 8 divisors (see below), whose sum is σ = 120633832704. Its totient is φ = 90469377000.

The previous prime is 105551105039. The next prime is 105551105059. The reversal of 105551105051 is 150501155501.

It is a happy number.

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 105551105051 - 2¹⁴ = 105551088667 is a prime.

It is a super-2 number, since 2×105551105051² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105551105059) 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, 8015 + ... + 459528.

It is an arithmetic number, because the mean of its divisors is an integer number (15079229088).

Almost surely, 2^105551105051 is an apocalyptic number.

105551105051 is a deficient number, since it is larger than the sum of its proper divisors (15082727653).

105551105051 is an equidigital number, since it uses as much as digits as its factorization.

105551105051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499801.

The product of its (nonzero) digits is 3125, while the sum is 29.

The spelling of 105551105051 in words is "one hundred five billion, five hundred fifty-one million, one hundred five thousand, fifty-one".